Helvidius was the author of a work written prior to 383 against the belief in the perpetual virginity of Mary. Helvidius maintained that the biblical mention of "sisters" and "brothers" of the Lord constitutes solid evidence that Mary had normal marital relations with Joseph and additional children after the miraculous conception and birth of Jesus. He supported his opinion by the writings of Tertullian and Victorinus. Helvidius is sometimes seen as an early proto-protestant, along with Vigiliantius, Jovinian and Aerius of Sebaste.
Gaius Helvius Cinna was an influential neoteric poet of the late Roman Republic, a little older than the generation of Catullus and Calvus. He was lynched at the funeral of Julius Caesar after being mistaken for an unrelated Cornelius Cinna who had spoken out in support of the dictator's assassins.
Heman Humphrey was a 19th-century American author and clergyman who served as a trustee of Williams College and afterward as the second president of Amherst College, a post he held for 22 years.
Hemchandra Barua, also known as Hem Barua was a prominent writer, social reformer of Assamese of the 19th century. He hailed from Dergaon, Golaghat district of Assam. His father was Muktaram Barua.
Henri (Hendrik) Conscience was a Belgian author. He is considered the pioneer of Dutch-language literature in Flanders, writing at a time when Belgium was dominated by the French language among the upper classes, in literature and government. Conscience fought as a Belgian revolutionary in 1830 and was a notable writer in the Romanticist style popular in the early 19th century. He is best known for his romantic nationalist novel, The Lion of Flanders (1838), inspired by the victory of a Flemish peasant militia over French knights at the 1302 Battle of the Golden Spurs during the Franco-Flemish War.
Hendrik Jan Schimmel, Dutch poet, novelist and financier, was born at 's-Graveland, in the province of North Holland, where his father was a notary and the burgomaster.
Hendrik Marsman was a Dutch poet and writer. He died while escaping to Great Britain, when the ship he was sailing on, the S.S. Berenice, either suffered a fatal engine-room explosion, or was torpedoed by a German submarine which mistook Berenice for another vessel.