Freeman Wills Crofts FRSA was an Irish mystery author, best remembered for the character of Inspector Joseph French.

[George] French Strother was an eighteenth-century planter, politician, lawyer and judge in Virginia, nicknamed "the Fearless" for his fiery rhetoric during debates in the American Revolutionary War.

Fridtjof Wedel-Jarlsberg Nansen was a Norwegian polymath and Nobel Peace Prize laureate. He gained prominence at various points in his life as an explorer, scientist, diplomat and humanitarian.

Friedrich Ludewig Bouterwek was a German philosopher and critic, born to a mining director at Oker, Electorate of Saxony; today a district of Goslar in Lower Saxony.

Friedrich Engels was a German philosopher, historian, political theorist, critic of political economy, and revolutionary socialist. He was also a businessman, journalist, and Karl Marx's closest friend and collaborator.

Friedrich Gerstäcker was a German traveler and novelist.

Friedrich Maximilian von Klinger was a German dramatist and novelist. His play Sturm und Drang (1776) gave its name to the Sturm und Drang artistic epoch. He was a childhood friend of Johann Wolfgang von Goethe and is often closely associated with Jakob Michael Reinhold Lenz. Klinger worked as a playwright for the Seylersche Schauspiel-Gesellschaft for two years, but eventually left the Kingdom of Prussia to become a General in the Imperial Russian Army.

Johann Christoph Friedrich von Schiller was a German physician, playwright, poet, and philosopher.

Friedrich Spielhagen was a German novelist, literary theorist and translator. He tried a number of careers in his early 20s, but at 25 began writing and translating. His best known novel is Sturmflut and his novel In Reih' und Glied was quite successful in Russia.

Fritz Reuter Leiber Jr. was an American writer of fantasy, horror, and science fiction. He was also a poet, actor in theater and films, playwright, and chess expert. With writers such as Robert E. Howard and Michael Moorcock, Leiber is one of the fathers of sword and sorcery and coined the term.