DescriptionJoelSpencer2019.jpg English: JoelSpencer in 2019 Date 10 September 2019 Source YouTube: Math Encounters - "Erdős Magic: Theorems, Conjectures
org/licenses/by/2.0CC BY 2.0 Creative Commons Attribution 2.0 truetrue 8 June 2019 English author name string: Public Affairs Office Fort Wainwright URL: https://www
org/licenses/by/2.0CC BY 2.0 Creative Commons Attribution 2.0 truetrue 26 May 2019 English Flickr user ID: 37886962@N08 URL: https://www.flickr.com/people/37886962@N08