Ernest Cook Poole was an American journalist, novelist, and playwright. Poole is best remembered for his sympathetic first-hand reportage of revolutionary Russia during and immediately after the Revolution of 1905 and Revolution of 1917 and as a popular writer of proletarian-tinged fiction during the era of World War I and the 1920s.

Ernest Hanley Protheroe, born 1866, was a teacher and prolific author of fiction and non-fiction.

Joseph Ernest Renan was a French Orientalist and Semitic scholar, writing on Semitic languages and civilizations, historian of religion, philologist, philosopher, biblical scholar, and critic. He wrote works on the origins of early Christianity, and espoused popular political theories especially concerning nationalism, national identity, and the alleged superiority of White people over other human "races". Renan is known as being among the first scholars to advance the now-discredited Khazar theory, which held that Ashkenazi Jews were descendants of the Khazars, Turkic peoples who had adopted Jewish religion and migrated to Western Europe following the collapse of their khanate.

Ernest Percival Rhys was a Welsh-English writer, best known for his role as founding editor of the Everyman's Library series of affordable classics. He wrote essays, stories, poetry, novels and plays.

Ernest Thompson Seton was an English-born Canadian-American author, wildlife artist, founder of the Woodcraft Indians in 1902, and one of the founding pioneers of the Boy Scouts of America (BSA) in 1910.

Ernest Weekley was a British philologist, best known as the author of a number of works on etymology. His An Etymological Dictionary of Modern English has been cited as a source by most authors of similar books over the 90 years since it was published. From 1898 to 1938, he was Professor of Modern Languages at the University of Nottingham.

Ernest Taylor Pyle was a Pulitzer Prize–winning American journalist and war correspondent who is best known for his stories about ordinary American soldiers during World War II. Pyle is also notable for the columns he wrote as a roving human-interest reporter from 1935 through 1941 for the Scripps-Howard newspaper syndicate that earned him wide acclaim for his simple accounts of ordinary people across North America. When the United States entered World War II, he lent the same distinctive, folksy style of his human-interest stories to his wartime reports from the European theater (1942–44) and Pacific theater (1945). Pyle won the Pulitzer Prize in 1944 for his newspaper accounts of "dogface" infantry soldiers from a first-person perspective. He was killed by enemy fire on Iejima during the Battle of Okinawa.

Ernst Eckstein was a German humorist, novelist and poet.

Ernst Waldfried Josef Wenzel Mach was an Austrian physicist and philosopher, who contributed to the physics of shock waves. The ratio of the speed of a flow or object to that of sound is named the Mach number in his honour. As a philosopher of science, he was a major influence on logical positivism and American pragmatism. Through his criticism of Newton's theories of space and time, he foreshadowed Einstein's theory of relativity.

Ernst von Wildenbruch was a German poet and dramatist.