16.
Overview:
Dikran Tahta (Armenian: Դիքրան (Տիգրան) Թահթա, 7 August 1928 – 2 December 2006) was a British-Armenian mathematician, teacher and author. He was also the maths teacher of Stephen Hawking.
Date of birth: 7 August 1928
Date of death: 2 December 2006
Nationality: British
Occupation: Mathematician