Hartigan was born in
Sydney, Australia and studied mathematics at the
University of Sydney, where he obtained his BSc in 1959 and MSc in 1960. Afterwards, he moved to
Princeton University, where he studied under
John Tukey and
Frank Anscombe. He obtained his PhD in statistics at Princeton in 1962. He joined the faculty of
Princeton University in 1964 as an assistant professor and moved to
Yale University in 1969, when he became an associate professor. He gained full professorship at Yale in 1972. He was the chair at Yale's department of statistics from 1973 to 1975 and again from 1988 to 1994. == Bibliography ==