(Old Testament) son of Isaac; brother of Esau; father of the twelve patriarchs of Israel; Jacob wrestled with God and forced God to bless him, so God gave Jacob the new name of Israel (meaning `one who has been strong against God') | the male head of family or tribe |
French biochemist who (with Jacques Monod) studied regulatory processes in cells (born in 1920) | any of the early biblical characters regarded as fathers of the human race |
| title for the heads of the Eastern Orthodox Churches (in Istanbul and Alexandria and Moscow and Jerusalem) |
| a man who is older and higher in rank than yourself |