Peter Ludwig Berger was an Austrian-born American sociologist and Protestant theologian. Berger became known for his work in the sociology of knowledge, the sociology of religion, study of modernization, and theoretical contributions to sociological theory.
Peter Lewyn Bernstein was an American financial historian, economist and educator whose development and refinement of the efficient-market hypothesis made him one of the country's best known authorities in popularizing and presenting investment economics to the general public.
Peter Alan Laird is an American comic book writer and artist best known for co-creating the Teenage Mutant Ninja Turtles with writer and artist Kevin Eastman.
Peter Lamborn Wilson was an American anarchist author and poet, primarily known for his concept of Temporary Autonomous Zones, short-lived spaces which elude formal structures of control. During the 1970s, Wilson lived in the Middle East, where he explored mysticism and translated Persian texts. Starting from the 1980s he wrote numerous political writings, illustrating his theory of "ontological anarchy." His style of anarchism has drawn criticism for its emphasis on individualism and mysticism, as did some of his writings where he defended pederasty.
Peter Langtoft, also known as Peter of Langtoft was an English historian and chronicler who took his name from the small village of Langtoft in the East Riding of Yorkshire.
Peter Duncan Lerangis is an American author of children's and young adult fiction, best known for his Seven Wonders series and his work on the 39 Clues series.