File:Barbara Ruhemann.jpg

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Summary

Media data and Non-free use rationale
Description	Barbara Ruhemann, from an image taken at the Ukrainian Physics and Technology Institute (UPTI) in Kharkiv in 1933.
Author or copyright owner	Unknown
Source (WP:NFCC#4)	Original publication: Unknown Immediate source: https://www.kapitza.ras.ru/museum/landau/works.htm (the Lev Landau virtual museum)
Date of publication	1933
Use in article (WP:NFCC#7)	Barbara Ruhemann
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)	In his book on physicists of that era, Physics in a Mad World (https://archive.org/details/physicsinmadworl0000unse/page/26/mode/2up), M. Shifman confirms that this is the only photograph of Barbara Ruhemann he was able to locate, and I could not find any other photograph either.
Minimal use (WP:NFCC#3)	Low resolution, only image used in the article, cropped so as only to show the subject.
Respect for commercial opportunities (WP:NFCC#2)	It is in a museum collection of the Kapitza Institute, and was used in the Shifman book Physics in a Mad World courtesy of the Lev Landau museum.
Other information	The subject of the photograph has been deceased since: 1976 Cropped from a group photo by the uploader.
Fair useFair use of copyrighted material in the context of Barbara Ruhemann//en.wikipedia.org/wiki/File:Barbara_Ruhemann.jpgtrue

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 "Barbara Ruhemann":

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

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	10:30, 5 June 2024		119 × 246 (22 KB)	Felix QW (talk \| contribs)	Uploading a non-free historic portrait using File Upload Wizard

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File usage

The following page uses this file:

Barbara Ruhemann

Metadata

This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.

If the file has been modified from its original state, some details may not fully reflect the modified file.

Camera manufacturer	Canon
Camera model	Canon EOS 5D
Exposure time	1/40 sec (0.025)
F-number	f/4.5
ISO speed rating	400
Date and time of data generation	15:33, 28 September 2006
Lens focal length	70 mm
Orientation	Normal
Horizontal resolution	72 dpi
Vertical resolution	72 dpi
Software used	GIMP 2.10.18
File change date and time	12:24, 5 June 2024
White point chromaticity	0.313 0.329
Chromaticities of primarities	0.64 0.33 0.21 0.71 0.15 0.06
Color space transformation matrix coefficients	0.299 0.587 0.114
Y and C positioning	Co-sited
Exposure Program	Aperture priority
Exif version	2.21
Date and time of digitizing	15:33, 28 September 2006
Meaning of each component	Y Cb Cr does not exist
Shutter speed	5.375
APEX aperture	4.375
Exposure bias	0
Metering mode	Pattern
Flash	Flash did not fire, compulsory flash suppression
Supported Flashpix version	1
Color space	sRGB
Focal plane X resolution	3,086.925795053
Focal plane Y resolution	3,091.2951167728
Focal plane resolution unit	inches
Custom image processing	Normal process
Exposure mode	Auto exposure
White balance	Manual white balance
Scene capture type	Standard
Supported Flashpix version	1
Image width	4,362 px
Image height	2,806 px
Unique ID of original document	xmp.did:92753c1f-114f-4a8f-8648-c096516ff709
Date metadata was last modified	00:02, 5 October 2006