Peter Abelard was a medieval French scholastic philosopher, leading logician, theologian, poet, composer and musician.

Peter Bernhard Kyne was an American novelist who published between 1904 and 1940. He was born and died in San Francisco, California. Many of his works were adapted into screenplays starting during the silent film era, particularly his first novel, The Three Godfathers, which was published in 1913 and proved to be a huge success. More than 100 films were adapted from his works between 1914 and 1952, many of the earliest without consent or compensation. Kyne created the character of Cappy Ricks in a series of novels.

Peter Burchard was an author, free-lance designer, and illustrator. He wrote the book One Gallant Rush (1965), about Colonel Robert Gould Shaw and the 54th Massachusetts Regiment, the first African-American unit in the Union Army. It was adapted for the 1989 film Glory, which won numerous awards.

Peter Christen Asbjørnsen was a Norwegian writer and scholar. He and Jørgen Engebretsen Moe were collectors of Norwegian folklore. They were so closely united in their lives' work that their folk tale collections are commonly mentioned only as "Asbjørnsen and Moe".

Peter Mark Roget was a British physician, natural theologian, lexicographer and founding secretary of The Portico Library. He is best known for publishing, in 1852, the Thesaurus of English Words and Phrases, a classified collection of related words. He also read a paper to the Royal Society about a peculiar optical illusion in 1824, which is often regarded as the origin of the persistence of vision theory that was later commonly used to explain apparent motion in film and animation.

Peter Rosegger was an Austrian writer and poet from Krieglach in the province of Styria. He was a son of a mountain farmer and grew up in the woodlands and mountains of Alpl. Rosegger went on to become a most prolific poet and author as well as an insightful teacher and visionary.

Francesco Petrarca, commonly anglicized as Petrarch, was a scholar and poet of early Renaissance Italy, and one of the earliest humanists.

Petrus Ramus was a French humanist, logician, and educational reformer. A Protestant convert, he was a victim of the St. Bartholomew's Day massacre.

Gaius Julius Phaedrus, or Phaeder was a 1st-century AD Roman fabulist and the first versifier of a collection of Aesop's fables into Latin. Nothing is recorded of his life except for what can be inferred from his poems, and there was little mention of his work during late antiquity. It was not until the discovery of a few imperfect manuscripts during and following the Renaissance that his importance emerged, both as an author and in the transmission of the fables.

Philip Doddridge D.D. was an English Nonconformist minister, educator, and hymnwriter.