Felix Liebermann was a Jewish German historian, who is celebrated for his scholarly contributions to the study of medieval English history, particularly that of Anglo-Saxon and Anglo-Norman law.
Felix Vasilyevich Malyarenko was a Russian Army officer, poet and prose writer, author of works for children and youth. He was Chairman of the Saratov regional branch of the Russian Union of Writers from 2017 to 2019.
Félix Morisseau-Leroy, was a Haitian writer who used Haitian Creole to write poetry and plays, the first significant writer to do so. By 1961 he succeeded in having Creole recognized as an official language of Haiti, after expanding its teaching in schools and use in creative literature. Morisseau also published works on French, Haitian Creole and Haitian French literature. He worked internationally, encouraging the development of national literature in post-colonial Ghana and Senegal. In 1981 he settled in Miami, Florida, where he was influential in uniting the Haitian community around Creole and encouraged its study in academia.
Felix Aronovich Novikov was a Soviet and Russian architect. In 1991, he was awarded the honorary title of People's Architect of the USSR, becoming the last awardee of the title.
Jean-Gaspard-Félix Laché Ravaisson-Mollien was a French philosopher, 'perhaps France's most influential philosopher in the second half of the nineteenth century'. He was originally and remains more commonly known as Félix Ravaisson.