Talk:Augustin-Jean Fresnel

Hyphenation of given names?

Template:Hmbox Template:Cot Hi there,

the name of this man is written without a dash (no dash in the 1911 Encyclopedia Britannica, not in several german books, not in the french wikipedia ...) -- Schusch 20:47, 20 Apr 2004 (UTC)

I don't think there's any consistency in whether compound first names like this (formerly very common in French) are written with a dash or not. In general even French sources sometimes write them with, sometimes without. -- Curps 15:39, 23 Jul 2004 (UTC)

Link suggestions

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Done. Thincat 15:37, 20 October 2005 (UTC)

Pronunciation

File:Yes check.svg Apparently resolved.

Template:Cot I'm not natively French but I'm pretty sure that I've heard french and most other people (apart from Americans) pronounce his surname as /freˈnɛl/ i.e. freh-nell. —Preceding unsigned comment added by 87.250.108.155 (talk) 07:06, 21 May 2010 (UTC)

Not only have I only ever heard the lens name pronounced as "freh-nel", but the IPA symbol /ɛ/ used for his name is consistent with this, and not consistent with "ay" (which would be /e/). I think this is just a minor error in the eye-dialect representation, and I'll change it if I don't see arguments otherwise within a day or so here. Sharkford (talk) 14:32, 25 April 2016 (UTC)

Major expansion?

File:Yes check.svg Done: See later sections below.

Template:Cot Please warn me here if you are working on a major expansion or rewrite of this article, so that we don't tread on each other's toes.

(I submit that this article is short by comparison with other "level-4 vital" articles on physicists, including the featured articles on Chadwick, Fermi, Feynman, Gibbs, Kepler, Oppenheimer, and Teller.)

2001:44B8:4186:4000:30F0:C7A6:72AD:AC7E (talk) 04:02, 26 July 2017 (UTC)

I added a section on Fresnel's bright spot with citations. Geoffrey.landis (talk) 15:48, 20 September 2017 (UTC)

Thanks. I confirm that the "major expansion" is still in progress. And I do mean "major".

− 2001:44B8:4108:D305:5DEB:33D8:F60E:2E47 (talk) 14:22, 26 September 2017 (UTC).

You should expect the proposed "major expansion" to be uploaded by Christmas.

− 2001:44B8:4108:D300:98F3:C39A:88B3:304A (talk) 01:13, 25 November 2017 (UTC).

Unrecognized?

Template:Cot The career section says "He received only scant public recognition during his lifetime for his labours in the cause of optical science" but the detail section says that " in 1819 he received the prize of the Académie des Sciences at Paris, in 1823 he was unanimously elected a member of the French Academy of Science, in 1825 he became a Fellow of the Royal Society of London, and in 1827 the Royal Society of London awarded him the Rumford Medal. Even in the quotation given, he talks about "All the compliments that I have received from Arago, Laplace and Biot...". I don't see support for the claim of "scant public recognition", so I am deleting this sentence. Geoffrey.landis (talk) 15:48, 20 September 2017 (UTC) Template:Cob

Major expansion — Phase 1

Since proposing the "major expansion", I have opened an eponymous account, which I shall use from now on.

"Phase 1" of the expansion has been uploaded. I envisage that subsequent "phases" will involve further checking against sources, with little change in length but (presumably) improvements in clarity and accuracy. The diagram of the Fresnel rhomb also needs work... [DONE — see below].

I would have liked to do more of that "checking against sources" before uploading; but I am about to be interrupted (again), and I was not willing to delay the upload for the duration.

Warning: There are inconsistencies between secondary sources (see the notes). To correct any factual error or omission, you need more than a single secondary source.

Disclosure: I don't know French. Wherever I have been forced to consult French sources, I have also been forced to use online translators.

Quirks of the author: This article generally uses American spellings and punctuation, but avoids two extreme Americanisms, namely (i) "meter" for a unit of measure, and (ii) placing a stop before a closing quotation mark when the actual quote ends with a weaker stop or no stop.

Many thanks to the many past contributors of illustrations. I wrote all of the text but did not upload a single image [yet — see below].

— Gavin R Putland (talk) 12:14, 10 December 2017 (UTC), Melbourne, Australia [updated Gavin R Putland (talk) 09:01, 31 July 2018 (UTC)].

Major expansion — completed?

My edit of 09:13, 23 December 2017, may incidentally be taken as the end of "Phase 2" (checking against Grattan-Guinness, 1990). Subsequent "phases" were indicated on the article's history page. I eventually uploaded one image of my own, namely the corrected diagram of the Fresnel rhomb (compare the original).

Having finished "Phase 8", I do not envisage making further changes except to fix bugs.

— Gavin R Putland (talk) 11:25, 20 January 2018 (UTC).

Kudos

What a nicely done article. So complete and informative. Congrats to all who worked on it.

Ratings out of date

This article has not been re-rated since the "major expansion" that began in late 2017. — Gavin R Putland (talk) 04:43, 26 July 2018 (UTC).

Nice work on the expansion. Article ratings are rarely updated. It probably could be bumped up to B-class but you should consider nominating it for GA status. Hrodvarsson (talk) 20:05, 26 July 2018 (UTC)

Look before you leap!

N.B.: The "Historical context..." subsection of this article promises: "In this subsection, optical phenomena that were unexplained or whose explanations were disputed are named in bold type."

For better or worse, this article uses italics rather than quotation marks when referring to words as words (both options being permitted by the MoS). However, I concede that I may have been overzealous in using italics for emphasis.

I belatedly notice that the template is available for consistent formatting of internal references. It uses italics.

Off-topic, I thank the several editors who reverted vandalism on 29 July 2018.

— Gavin R Putland (talk) 12:44, 30 July 2018 (UTC).

French back vowels

The French pronunciation of his first name is given as [ɔɡystɛ̃]. I've always understood written au to represent /o/, not /ɔ/. (I wonder how many minimal pairs there are; paume vs pomme comes to mind.) Also, why slashes (signifying broad transcription) for English but brackets (narrow) for French? —Tamfang (talk) 22:01, 28 August 2018 (UTC)

Template:Ping Do you have any opinion(s)? I notice that the first suggestion would be consistent with the article on Cauchy. — Gavin R Putland (talk) 22:50, 28 August 2018 (UTC).

Tamfang's first suggestion has been implemented for the time being. — Gavin R Putland (talk) 10:51, 6 September 2018 (UTC).

WP:BIO Assessment Request Completed--Time for GAN

Template:Ping I am terribly sorry for the long wait for assessment, though I was not working in that area until recently. The backlog has now been totally cleared, including this article. Others have suggested here and on your talk page that this article may be ready for GAN, and I fully agree. BIO only assesses up to B, but this article is far beyond that level. It looks like a very solid GAN, and I doubt that any terribly substantial work would need to be done to get this through. Gavin, I really hope that you or someone else who will be dedicated to working on this article will submit it. Thank you for your hard work so far. Happy editing! Prometheus720 (talk) 17:28, 25 June 2019 (UTC)

Template:Ping Thank you. No need for the apology, because (i) I acknowledge the shortage of assessors, and (ii) I haven't been pushing the process recently, partly because I keep thinking of references which I perhaps ought to check before submitting a GA nomination, and which I expect to read in the course of other projects. — Gavin R Putland (talk) 07:22, 26 June 2019 (UTC).

Template:Ping Outstanding work, indeed! Time for GAN, perhaps? fgnievinski (talk) 05:00, 7 February 2020 (UTC)

Template:Reply to The size of the article and the shortage of reviewers make me hesitant, but... OK, at the suggestion of all four of you (at various times), I have submitted a GAN. Thanks for the compliments. — Gavin R Putland (talk) 07:28, 9 February 2020 (UTC).

Template:Ping Just throwing in an opinion here, I feel like this article is two or three potential GAs rather than one. It's about double the size recommendations at WP:SIZESPLIT and WP:LENGTH, with various issues described at those pages. If someone were to tag the article with Template:Tlp, that would be reason to quick-fail a GAN. I also feel that it puts a lot of work on a reviewer to thoroughly check an article of this size. I would suggest that editors put a hold on the nomination and consider splitting the article along natural lines, perhaps moving all non-biographical material to separate articles. Or consider Isaac Newton which has separate sub-articles at Early life of Isaac Newton, Later life of Isaac Newton, Writing of Principia Mathematica, Isaac Newton in popular culture, Religious views of Isaac Newton, and Isaac Newton's occult studies, and non-biographical articles at Newtonianism, Newton disc, Newton polygon, Newton's reflector, Newtonian telescope, Newton scale, etc. – Reidgreg (talk) 13:51, 16 May 2020 (UTC)

Template:Reply to Concerning the embarrassing length of this article, I have long harbored the ambition (but never been confident of getting the opportunity) to do the following:

• Create an article on Chromatic polarization, with a History section, and devolve some material to it;
• Rework the article on Birefringence, with a History section (which would need to cover the contributions of Bartholin, Huygens, Haüy, Wollaston, Malus, Laplace, Young, Brewster, and Biot), and devolve some material to it;
• Expand the History section of the article on the Fresnel lens, including not only prior art and Fresnel's contributions, but also post-Fresnel developments (see Levitt 2013, Elton 2009, U.S. Lighthouse Soc.), so that the article on Fresnel can refer to that section for further information, instead of the other way around.

Furthermore, there are probably some parts of the text that should be relegated to the Notes section, which was created on 25 July 2019. (BTW, I still need to turn some more "References" into "Notes", or split them between Notes and References.)

Arguments against a larger-scale break-up include the following:

• In the case of Fresnel, "moving all non-biographical material to separate articles" looks like an ill-posed problem (at least to me), because so little is known about him except in a scientific/technical context. In any account of the revival of the wave theory of light, Fresnel is the central character. In any biography of Fresnel, the revival of the wave theory of light is the main plot line. One cannot tell one story without telling most of the other.
• The article as it stands is a unique resource. Sure, it's long, but maybe a tenth as long as Buchwald 1989 + Levitt 2013, and it contains some information that you won't find in either of those. The lack of such a resource drove me to create it. The size of the result (and of the slice of my life that went into it) may help to explain why more prudent authors had not created it before; but it's done now.
• Concerning the need for such a "resource", you can't read the complete works of Fresnel in English, as you can with Newton. You can't even get a clean digitized text in the original language to put through Google Translate, as you can with Huygens. I am not aware any single book on Fresnel in English that attempts to cover both his fundamental research and his lighthouse work. I find all this odd because...
• Concerning how many words the subject is worth, Fresnel was the second person in history to reconstruct a major branch of physics in a form that a modern physicist would still recognize. The first was Newton. The third was Maxwell. That seems to make him kind of a big deal. Oh, and he also saved lives on an industrial scale. Speaking of which...
• Is the article a bit hagiographic? Yes, but when you write about someone of whom little is known except that he did great things and died young, you get hagiography. The raw material permits little else. If any unknown scandals lurk in the redacted passages of his letters, they remain, for the moment at least, unknown.

MRDA, I know, but... If the present article can't be a GA due to length, I'd rather have a unique resource that fails the GA test than lose that resource. — Gavin R Putland (talk) 15:54, 17 May 2020 (UTC).

I hear you. I had similar motivations with the longest article I've written, trying to put together something comprehensive that didn't exist anywhere else. To me, the only real problem with the size is accessibility: readers using certain platforms may have difficult loading it and people using screen-readers may have difficulty navigating it. I'm aware of some GAs which exceed 10k words. Anyways, I respect your wishes on this and your perspective on the best way to present the information, and hope that you get a good GA reviewer. – Reidgreg (talk) 19:57, 17 May 2020 (UTC)

Fresnel rhomb#History seems to be a good example of splitting Fresnel's biography by topic. fgnievinski (talk) 20:14, 17 May 2020 (UTC)

Images that need to be removed or have fair use rationales added

Gavin, I just realized that the one thing I didn't check in the GA criteria was the image licensing. Looking through now, I see four photographs that were taken in France and which included statuary or architectural elements. France doesn't have freedom of panorama, so these need fair use rationales. The four are:

• File:Augustin Fresnel buste Broglie.jpg
• File:Léonor Mérimée.jpg
• File:Bust of Augustin Fresnel by David d'Angers-MnM 41 OA 256 D-IMG 8741.jpg
• File:Père-Lachaise - Division 14 - Fresnel 01.jpg

You can either remove them from the article or add a rationale. Mike Christie (talk - contribs - library) 12:56, 8 June 2020 (UTC)

Template:Reply to Surely the lack of freedom of panorama is an issue only if the primary work (e.g. sculpture) is still subject to copyright. That won't be the case with Fresnel's grave, or the bust by d'Angers (who died in 1856). Nor will it be the case with the Broglie monument (inaugurated 1884) or the nearby bas-relief of Mérimée (apparently erected 1895) unless a copyright owner died in the last 100 years of war-related causes, or in the last 70 years in other circumstances. In neither case do I know the identity of the artist(s). "Abundance of caution" suggests commenting out the first two items on the above list. — Gavin R Putland (talk) 16:16, 8 June 2020 (UTC).

It doesn't take long to get past my comfort zone with image rules, so I'm going to ask someone I know is expert. Nikki, Gavin's response sounds correct to me; can you confirm? Mike Christie (talk - contribs - library) 16:19, 8 June 2020 (UTC)

If the works pictured are in the public domain due to their age we should just add tags saying so to the image description pages, with no need for a fair-use rationale in that case. Works "published" (publicly erected) before 1925 will be in the public domain in the US; if the French copyright is uncertain, we should be able to upload them locally, but commons:Template:PD-EU-no_author_disclosure or another tag may apply. Nikkimaria (talk) 20:35, 8 June 2020 (UTC)

Template:Reply to In each case, I have no evidence of publication of the creator's name; I don't have evidence of non-publication. I cannot fill all the obligatory fields of the fair-use rationale, and the proposition that "Monuments are meant to be seen!" does not seem to be a recognized rationale. So, for the time being, I have commented out the two images, namely File:Augustin Fresnel buste Broglie.jpg and File:Léonor Mérimée.jpg. — Gavin R Putland (talk) 04:36, 9 June 2020 (UTC).

Article review

It has been a couple of years since this article has been reviewed, so I took a look and noticed the following:

• There are some uncited statements. While some of the statements might be covered under WP:CALC, other biographical statements are not covered under this and will need citations. I am happy to add citation needed templates to the statements that I think need them if requested below.
• The article, at over 16,000 words, has redundant words and too much detail. Some of the prose could be moved to other articles, especially when it is about a theory or concept explained elsewhere.
• In relation to the above, some of the sections are quite large, leading to poor navigation (especially for mobile users). I suggest that sections be around 2-4 paragraphs, with more sub-headings used to break up the text.

Should this article go to WP:GAR? Z1720 (talk) 21:40, 29 May 2025 (UTC)