I. Son of Amram, of the tribe of Levi, elder brother of Moses, his spokesman in the embassy to the court of Pharaoh, and subsequently the first high priest. He was recreant to his trust in the absence of Moses upon Mount Sinai, and made the golden calf for the people to worship. He died on Mount Hor at the age of 123 years, and his office descended to Eleazar, his son.

II. A physician of Alexandria, Egypt, who flourished in the 7th century. He wrote on medicines, and is the first author who mentions the small-pox.