List of Famous people who born in 1920

Robert Harding Whittaker was an American plant ecologist, active in the 1950s to the 1970s. He was the first to propose the five kingdom taxonomic classification of the world's biota into the Animalia, Plantae, Fungi, Protista, and Monera in 1969. He also proposed the Whittaker Biome Classification, which categorized biome-types upon two abiotic factors: temperature and precipitation.

Ilse Thiele was an East German politician. She was a member of the powerful Central Committee of the country's ruling SED (party) between 1954 and 1989. She served as the Chair of the national Democratic Women's League from 1953 till 1989.

Fred Moore was a French soldier, politician, and optician.

Edmond Henri Fischer is an American biochemist. He and his collaborator Edwin G. Krebs were awarded the Nobel Prize in Physiology or Medicine in 1992 for describing how reversible phosphorylation works as a switch to activate proteins and regulate various cellular processes. From 2007 until 2014, he was the Honorary President of the World Cultural Council. He is the oldest living Nobel laureate at age 100.

Olivier Guichard was a French politician. He was born in Néac and joined the French Army in 1944 and served until the end of World War II, during which, he earned the Médaille militaire and the Croix de guerre. At the end of his life he also was a grand officer of the Légion d'honneur.

Oodgeroo Noonuccal ( UUD-gə-roo NOO-nə-kəl; born Kathleen Jean Mary Ruska, later Kath Walker was an Aboriginal Australian political activist, artist and educator, who campaigned for Aboriginal rights. Noonuccal was best known for her poetry, and was the first Aboriginal Australian to publish a book of verse.

Jiří Vršťala was a Czech film actor. He appeared in more than fifty films from 1950 to 1987.

Hans Blumenberg was a German philosopher and intellectual historian.

Paik Sun-yup was a South Korean military officer. He served both Manchukuo and South Korea, the latter during the Korean War.

Osamu Hayaishi MJA , was a Japanese biochemist, physiologist, and military physician. He discovered Oxygenases at the National Institute of Arthritis and Metabolic Diseases, National Institutes of Health in 1955.