André Weil (6 May 1906 – 6 August 1998) was an influential French mathematician of the 20th century, renowned for the breadth and quality of his research output, its influence on future work, and the elegance of his exposition. He is especially known for his foundational work in number theory and algebraic geometry. He was a founding member and the de facto early leader of the influential Bourbaki group. The philosopher Simone Weil was his sister.
1.) "Andre Weil was an agnostic but respected religions." I. Grattan-Guinness, Bhuri Singh Yadav, History of the Mathematical Sciences (2004).
2.) Paul Betz, Mark Christopher Carnes, ed. (2002). American national biography: Supplement, Volume 1. Oxford University Press. p. 676. ISBN 9780195150636. "Although as a lifelong agnostic he may have been somewhat bemused by Simone Weil's preoccupations with Christian mysticism, he remained a vigilant guardian of her memory,..."