John Byl is a Canadian mathematician and astronomer who has written extensively on the relationship between Christian theology and natural science. A professor of mathematics at Trinity Western University, he is known for defending Young Earth Creationism from a Reformed theological perspective and for philosophical critiques of secular cosmological models. His work examines the foundations of physics and cosmology through a Christian worldview, arguing that divine agency is irreducible in any adequate account of the universe.
Authored God and Cosmos: A Christian View of Time, Space, and the Universe (2001)
Defended Young Earth Creationism using mathematical and astronomical reasoning
Critiqued naturalistic and secular cosmological models on philosophical grounds
Argued for the irreducibility of divine agency in physical and cosmological explanation
Contributed to Reformed engagement with philosophy of science and mathematics