File:Photograph of Pierre-Michel Duffieux.png

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Summary

Media data and Non-free use rationale

Description

Photograph of Pierre-Michel Duffieux, the inventor of Fourier Optics.

Author or
copyright owner

Pierre-Michel Duffieux

Source (WP:NFCC#4)

Original publication: Image shown at a presentation on the academic life of Duffieux and its impact on Fourier optics

Immediate source: https://docplayer.fr/23322581-P-m-duffieux-par-henri-h-arsenault-photonique-et-lasers-dpt-d-od-optica-universitat-de-valencia-valencia-spain.html

Use in article (WP:NFCC#7)

Pierre-Michel Duffieux

Purpose of use in article (WP:NFCC#8)

for visual identification of the person in question, at the top of their biographical article

Not replaceable with
free media because (WP:NFCC#1)

a free alternative image does not seem to exist as the subject lived in 19th and 20th century.

Minimal use (WP:NFCC#3)

Image will be used in the context of putting a face on someone that is forgotten even in science circles. Image will be featured in both the French and English version of the entry for this person on wikipedia.

Respect for
commercial opportunities (WP:NFCC#2)

There is simply no commercial opportunity to be made out from the only photograph depicting the discover of Fourier optics.

Other information

The subject of the photograph has been deceased since: 1976

Aside from the claim that this file qualifies for use without permission under fair use, this file is also available under a license that permits educational, personal, or otherwise non-commercial use only. Files available under such terms do not meet the definition of Free Cultural Works as adopted by the Wikimedia Foundation, and are therefore considered non-free on Wikipedia and may only be used under Wikipedia's non-free content policy.
This tag must only be used with a non-free license tag and a valid fair use rationale as required by policy.

none

Fair useFair use of copyrighted material in the context of Pierre-Michel Duffieux//en.wiki.x.io/wiki/File:Photograph_of_Pierre-Michel_Duffieux.pngtrue

Licensing

This photograph is copyrighted and is NOT under a free license. However, it is believed that the use of this work in the article "Pierre-Michel Duffieux":

to provide visual identification of one or more specific individual(s), or an identifiable gathering of them,
where the individual(s) concerned are deceased, or where access would for practical purposes be impossible,
and for whom there is no known representation under a 'free' license,
on the English-language Wikipedia, hosted on servers in the United States by the non-profit Wikimedia Foundation,

qualifies as fair use under United States copyright law. Any other uses of this image, on Wikipedia or elsewhere, may be copyright infringement. See Wikipedia:Non-free content and Wikipedia:Copyrights.
Fair use

To the uploader:

Please add a detailed non-free use rationale for each article the image is used in, which must also declare compliance with the other parts of the non-free content criteria, as well as the source of the work and copyright information.
For example non-free use rationales, see Wikipedia:Use rationale examples.
Template:Non-free use rationale biog may be helpful for stating the rationale.
This tag should only be used for biographical images, typically those used to identify the subject.

To patrollers and administrators: If this image has an appropriate rationale please append |image has rationale=yes as a parameter to the license template.

File history

Click on a date/time to view the file as it appeared at that time.

	Date/Time	Thumbnail	Dimensions	User	Comment
current	00:14, 15 July 2022		283 × 352 (21 KB)	DatBot (talk \| contribs)	Reduce size of non-free image (BOT - disable)
	21:28, 13 July 2022	No thumbnail	438 × 544 (153 KB)	IgorCarron (talk \| contribs)	Uploading a non-free historic portrait using File Upload Wizard

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File usage

The following page uses this file:

Pierre-Michel Duffieux