Adelard of Bath was a 12th-century English natural philosopher. He is known both for his original works and for translating many important Greek scientific works of astrology, astronomy, philosophy, a
Adelard of Bath, teaching illuminated by Virgil Master (c. 1400) in the Regulae abaci manuscript SCA 1
The frontispiece of an Adelard of Bath Latin translation of Euclid's Elements, British Library manuscript 275, c. 14th century