Thomas Ransford (born 1958) is a British-born Canadian mathematician, known for his research in spectral theory and complex analysis.
He holds a Canada Research Chair in mathematics at Université Laval.
[2] He was a fellow of Trinity College, University of Cambridge, from 1983 to 1987.
[3][4] In addition to over 90 research papers on mathematics, he has written a research monograph "Potential Theory in the Complex Plane" in 1995, and the graduate book "A Primer on the Dirichlet Space" with Omar El-Fallah, Karim Kellay and Javad Mashreghi in 2014 [1].
He also derived a short elementary proof of Stone–Weierstrass theorem [2].