List of Famous people who died in 2020

Joel Jay Kupperman was an American professor of philosophy at the University of Connecticut and author of Six Myths about the Good Life, a popular philosophical volume centering on those values most worth engaging in human life. He was best known to the general public as a young math expert on the radio and television show Quiz Kids. He astounded audiences with his ability to do complex mathematics rapidly and seemingly "in his head." He also had strong general knowledge, and was often the winner of the weekly competitions featured on the show. The 1944 film Chip Off the Old Block, starring Donald O'Connor, Peggy Ryan and Ann Blyth, featured Kupperman as the "Quiz Kid", representative of the group.

John Paul Fusco was an American photojournalist. Fusco is known in particular for his photographs of Robert F. Kennedy's funeral train, the 1966 Delano Grape strike and the human toll of the Chernobyl nuclear disaster. Fusco began his career as a photographer for Look magazine, and was a member of Magnum Photos from 1973 until his death in 2020.

Siegfried Fred Singer was an Austrian-born American physicist and emeritus professor of environmental science at the University of Virginia, trained as an atmospheric physicist. He was known for rejecting the scientific consensus on several issues:

• climate change,
• the connection between UV-B exposure and melanoma rates,
• stratospheric ozone loss being caused by chlorofluoro compounds, often used as refrigerants, and
• the health risks of passive smoking.

Ronald Norman Haddrick was an Australian actor, cricketer, narrator and presenter. In 2012, he received the Actors Equity Lifetime Achievement Award for his long and distinguished career in media, spanning some seventy years both locally and also in Britain. He appered in many Shakespeare roles and often performed with theatre actress Ruth Cracknell

Mahmoud Zakzouk was an Egyptian politician and academic. He served as minister of religious endowment of Egypt from 1995 to 2011.