Jump to content

File:George David Birkhoff 1.jpg

Page contents not supported in other languages.
This is a file from the Wikimedia Commons
From Wikipedia, the free encyclopedia

George_David_Birkhoff_1.jpg (268 × 326 pixels, file size: 9 KB, MIME type: image/jpeg)

Description George David Birkhoff (1884-1944)
Date
Source Rudolf Fritsch. Der Vierfarbensatz: Geschichte, topologische Grundlagen und Beweisidee. Mannheim: BI-Wissenschaftsverlag, 1994; S.29
Author Unknown authorUnknown author
Permission
(Reusing this file)
Public domain

This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 70 years or fewer.

You must also include a United States public domain tag to indicate why this work is in the public domain in the United States.
 Note that a few countries have copyright terms longer than 70 years: Mexico has 100 years, Jamaica has 95 years, Colombia has 80 years, and Guatemala and Samoa have 75 years. This image may not be in the public domain in these countries, which moreover do not implement the rule of the shorter term. Honduras has a general copyright term of 75 years, but it does implement the rule of the shorter term. Copyright may extend on works created by French who died for France in World War II (more information), Russians who served in the Eastern Front of World War II (known as the Great Patriotic War in Russia) and posthumously rehabilitated victims of Soviet repressions (more information).
This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights.

Captions

Add a one-line explanation of what this file represents

Items portrayed in this file

depicts

George David Birkhoff

media type

image/jpeg

File history

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

Date/TimeThumbnailDimensionsUserComment
current19:01, 11 May 2008Thumbnail for version as of 19:01, 11 May 2008268 × 326 (9 KB)SKraemer{{Information |Description=George David Birkhoff (1884-1944) |Source= |Date=1910 |Author= |Permission= |other_versions= }}

Global file usage

The following other wikis use this file:

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.

Retrieved from "https://en.wikipedia.org/wiki/File:George_David_Birkhoff_1.jpg"