John the Exarch was a medieval Bulgarian scholar, writer and translator, one of the most important men of letters working at the Preslav Literary School at the end of the 9th and the beginning of the 10th century. He was active during the reign of Boris I (852–889) and his son Simeon I (893–927). His most famous work is the compilation Shestodnev that consists of both translations of earlier Byzantine authors and original writings. He's canonized in the Russian Orthodox Church and his memory is honoured on the 13 August [O.S. 31 July]. In a manuscripts of the Gospels, held in the National Library of Serbia, an alternative date is given, namely — 13 February [O.S. 31 January].
John the Lydian or John Lydus was a Byzantine administrator and writer on antiquarian subjects.
John Theophilus Desaguliers FRS was a British natural philosopher, clergyman, engineer and freemason who was elected to the Royal Society in 1714 as experimental assistant to Isaac Newton. He had studied at Oxford and later popularized Newtonian theories and their practical applications in public lectures. Desaguliers's most important patron was James Brydges, 1st Duke of Chandos. As a Freemason, Desaguliers was instrumental in the success of the first Grand Lodge in London in the early 1720s and served as its third Grand Master.
Sir John Thomas Gilbert, LLD, FSA, RIA was an Irish archivist, antiquarian and historian.
John Thomas Moore was a Canadian businessman and politician from Alberta.
John Thomson Faris was an American editor, author, and clergyman. Faris was born in Cape Girardeau, Missouri, son of William Wallace Faris, D.D. and Isabella Hardy Thomson. He was married twice: first to Clara Lee Carter. They had three daughters, including writer Bethann Beall Faris Van Ness. Then in 1936 he married Cora Lynn (Shaffner) Cooke.
John A. Thorn is a German-born sports historian, author, publisher, and cultural commentator. Since March 1, 2011, he has been the Official Baseball Historian for Major League Baseball.
John Timbs was an English author and antiquary. Some of his work was published under the pseudonym of Horace Welby.
Johnny Tipler is a freelance writer who was born in Leicester, lived in Leeds as a child, and grew up in Chelmsford.
John Todhunter was an Irish poet and playwright who wrote seven volumes of poetry, and several plays.
