Juan de Celaya (1490–1558)
Born 1490 CE, died 1558 CE.
Juan de Celaya (Valencia, c. 1490 – 6 December 1558) was a Spanish mathematician, physicist, cosmologist, philosopher and theologian. He was a member of the so-called Calculators, using ideas from Merton College. He is known for his work on motion (in kinetics and dynamics) and in logic.
Text from the Wikipedia article Juan_de_Celaya, licensed CC BY-SA 4.0.