b. 1942
Brandon Carter (born 1942) is a theoretical physicist and cosmologist best known for formulating the anthropic principle in 1974. He has made significant contributions to black hole thermodynamics, cosmic string theory, and the philosophy of cosmological fine-tuning. His work on observer selection effects has had lasting influence on both physics and philosophy of religion.
Formulated the anthropic principle (weak and strong forms) at the 1974 Kraków symposium
Pioneered observer selection effect reasoning in cosmological fine-tuning arguments
Contributed foundational work to black hole thermodynamics alongside Hawking and Bardeen
Developed early analysis of the Doomsday argument and its probabilistic structure
Advanced the study of cosmic strings as topological defects in early-universe cosmology