Richard of Wallingford (1292–1336)
Born 1292 CE, died 1336 CE.
Richard of Wallingford (1292–1336) was an English mathematician, astronomer, horologist, and cleric who made major contributions to astronomy and horology while serving as abbot of St Albans Abbey in Hertfordshire.
Text from the Wikipedia article Richard_of_Wallingford, licensed CC BY-SA 4.0.