Sir Isaiah Berlin was a Russian-British social and political theorist, philosopher, and historian of ideas. Although he became increasingly averse to writing for publication, his improvised lectures and talks were sometimes recorded and transcribed, and many of his spoken words were converted into published essays and books, both by himself and by others, especially his principal editor from 1974, Henry Hardy.
Isaiah Leo Sharfman was an American economist. He was a professor at the University of Michigan from 1914 to 1955 and served as the president of the American Economic Association in 1945.
Count Isamu Yoshii was a Japanese tanka poet and playwright active in Taishō and Shōwa period Japan. Attracted to European romanticism in his youth, his later works were more subdued.
Ishmael Beah is a Sierra Leonean author and human rights activist who rose to fame with his acclaimed memoir, A Long Way Gone. His novel Radiance of Tomorrow was published in January 2014. His most recent novel Little Family was published in April 2020.
Ishmael Scott Reed is an American poet, novelist, essayist, songwriter, composer, playwright, editor and publisher known for his satirical works challenging American political culture. Perhaps his best-known work is Mumbo Jumbo (1972), a sprawling and unorthodox novel set in 1920s New York.
Ishtori Haparchi (1280–1355), also Estori Haparchi and Ashtori ha-Parhi is the pen name of the 14th-century Jewish physician, geographer, and traveller, Isaac HaKohen Ben Moses.
Isidor Pavlovich Natanson was a Swiss-born Soviet mathematician known for contributions to real analysis and constructive function theory, in particular, for his textbooks on these subjects. His son, Garal'd Natanson (1930–2003), was also a known mathematician.
