Author: Reuben Hersh
Born: 9 December 1927
Died: 3 January 2020
Bio: Reuben Hersh was an American mathematician and academic, best known for his writings on the nature, practice, and social impact of mathematics. His work challenges and complements mainstream philosophy of mathematics. *--Wikipedia*

*Photo Attribution:* George Bergman, GFDL 1.2 <http://www.gnu.org/licenses/old-licenses/fdl-1.2.html>, via Wikimedia Commons