Neil Robertson

G. Neil Robertson (born 1938) is a mathematician working mainly in topological graph theory, currently a distinguished professor emeritus at the Ohio State University. He earned his Ph.D. in 1969 at the University of Waterloo under his doctoral advisor William Tutte. According to the criteria of the Erdős Number Project, Dr. Robertson has an Erdős number of 3, but it can be lowered to 2 if an obituary he coauthored with Arthur M. Hobbs is counted. In 1969, Robertson joined the faculty of The Ohio State University, where he was promoted to Associate Professor in 1972 and Professor in 1984. He was a consultant with Bell Communications Research from 1984 to 1996. He has held visiting faculty positions in many institutions, most extensively...