BUCER, MARTIN (bü-sā' or bū'ser), a Protestant reformer, born in Alsace, in 1491; first united with Luther, but afterward inclined to Zwinglius, though he labored much to bring the two parties into a union. He went to England, in 1549, and was made Divinity Professor at Cambridge, where he died, Feb. 28, 1551. In the reign of Mary, his body was taken up and burned. His writings are very numerous.