Ridolfo "Aristotele" Fioravanti was an Italian Renaissance architect and engineer. He was active in Moscow from 1475, where he designed the Dormition Cathedral (1475–1479).
Biography from Wikipedia, licensed CC BY-SA 4.0.

Architect
1420–1486
Portrait: Басин, Петр Васильевич (1793-1877) · CC BY-SA 4.0 · Wikimedia Commons
Ridolfo "Aristotele" Fioravanti was an Italian Renaissance architect and engineer. He was active in Moscow from 1475, where he designed the Dormition Cathedral (1475–1479).
Biography from Wikipedia, licensed CC BY-SA 4.0.