Puzzle designers

Hungarian inventor (born 1944)

American mathematics and science writer (1914–2010)

20th-century Danish mathematician, inventor, designer, writer and poet (1905–1996)

American mathematician (1919–2017)

American chess player, chess composer, puzzle author, and recreational mathematician (1841–1911)

Russian science writer (1882–1942)

puzzlist and mathematical games designer (1857–1930)

Japanese businessman

American game show contestant, host, and writer

Spanish sculptor of the twentieth century (1933–2006)

Japanese games publisher

Philosopher and mathematical logician (1940-1996)

American fitness advocate and author (1932–1984)

Croatian writer and translator (1819–1910)

Cartographer/inventor of the jigsaw puzzle (1739–1769)

American video game developer and cryptologist

Japanese psychologist (1926-2016)

American video game developer (born 1957)

American architect and creator of Sudoku (1905–1989)

Russian mathematician (1907–1999)

American geometer

British puzzle designer

British figurative artist, puzzle designer and author of book 'Masquerade'.

American artist and writer

American puzzle designer

Dutch puzzle maker

German puzzle designer (1929–2022)

broadcast personality