Martin Jeffrey Steinbach was an American vision researcher who spent most of his career in Canada. He was Distinguished Research Professor Emeritus in the Department of Psychology at York University. He received a master's degree from Connecticut College in 1965 and a Ph.D. from Massachusetts Institute of Technology (MIT) in 1968.

York University, also known as YorkU or simply YU, is a public research university in Toronto, Ontario, Canada. It is Canada's third-largest university, and it has approximately 55,700 students, 7,000 faculty and staff, and over 370,000 alumni worldwide. It has 11 faculties, including the Lassonde School of Engineering, Schulich School of Business, Osgoode Hall Law School, Glendon College, and 28 research centres.