Leo I I

male, deceased (474)
Flavius Valerius Leo (401-18 January 474), known in English as Leo the Thracian or Leo I, was a Byzantine emperor who ruled from 457 to 474. He was...

Ivan Vyrodkov

male
Ivan Grigoryevich Vyrodkov was a Russian military engineer, inventor, and diak. Ivan Vyrodkov's name was first mentioned in 1538. It is known that...
Konrad Kyeser

Konrad Kyeser

male, 643 years old
Konrad Kyeser war a military engineer, author of "Bellifortis" (ca. 1405), a book on siege engines popular throughout the 15th century. Originally...

Eustace Grenier

male, deceased (1123)
Eustace Grenier (also Garnier, Granarius, Grenarius was an important crusader lord, and constable of the Kingdom of Jerusalem. He was from...

Guy Of Bigorre

male, deceased (1220)
Guy de Montfort was the Count of Bigorre from 6 November 1216 to 1220 in right of his wife, Petronilla. He was a son of Simon IV de Montfort and...

Nicolas Grollier de Servière

male, deceased (1689)
Nicolas Grollier de Servière was a French inventor and ornamental turner who became well-known for creating a series of fantastic machines. G...