File:Ma Dayou pic.jpeg

No higher resolution available.

Ma_Dayou_pic.jpeg (204 × 247 pixels, file size: 5 KB, MIME type: image/jpeg)

Summary

Media data and Non-free use rationale
Description	Ma Dayou (1915-2012), Chinese acoustical physicist
Author or copyright owner	unknown
Source (WP:NFCC#4)	Original publication: unknown Immediate source: 马大猷
Use in article (WP:NFCC#7)	Ma Dayou
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)	The subject is deceased, so it is not possible to take a free equivalent.
Minimal use (WP:NFCC#3)	The image serves as the primary means of visual identification of the subject, who is critically discussed in the article.
Respect for commercial opportunities (WP:NFCC#2)	Its low resolution and use in an educational article should not affect the value of the original work, or limit the copyright holder's rights or ability to distribute the original.
Other information	The subject of the photograph has been deceased since: 2012
Fair useFair use of copyrighted material in the context of Ma Dayou//en.wikipedia.org/wiki/File:Ma_Dayou_pic.jpegtrue

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 "Ma Dayou":

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	14:08, 29 August 2024		204 × 247 (5 KB)	Toadboy123 (talk \| contribs)	Uploading a non-free historic portrait using File Upload Wizard

You cannot overwrite this file.

File usage

The following page uses this file:

Ma Dayou