20th-century geologists

Tunisian engineer, academic and politician

Japanese poet and author of children's literature (1896-1933)

Japanese geochemist (1920–2007)

Finnish geologist (1883–1964)

Hungarian scientist (1907–2005)

Japanese seismologist

Mongolian politician

Bulgarian paleontologist (1934-2004)

Bulgarian mineralogist

Albanian geologist (1926-2009)

Belgian geologist (1920–1998)

Finnish geologist (1895-1981)

Estonian-Australian paleontologist and geologist (1898–1983)

Argentine scientist (1880-1961)

Israeli geologist (1900-1997)

Ukrainian geologist and geographer (1858–1930)

Egyptian geologist and scholar

Hungarian geologist, politician (1911–1983)

Estonian geologist, science organiser, athletics competitor and sportsperson (1935-2021)

Finnish engineer, geologist, diplomat and professor (1881–1948)

Soviet geomorphologist and geologist (1905–1980)

Turkish geologist (1951–2002)

Turkish geologist (1914–1995)

Soviet-Azerbaijani scientist, screenwriter, and nationalist ideologist (1927-1988)

Cuban paleontologist and ornithologist (1918-2001)

Japanese volcanologist (1910-1969)

Hungarian geophysicist (1914-1970)

Indonesian national hero (1918–1949)

Lebanese petroleum geologist and academic

Israeli geologist (1912–1989)

Egyptian Earth scientist (1919–1967)

Saudi chemist, geologist, and scouting leader

Israeli geologist