 After retiring from Washington University, he took a position with the U.S. State Department as science attaché to Tokyo and later managed a program to train mining engineers in the Philippines and helped establish a graduate program in economic geology at the University of the Philippines.He died in St. Louis in 1995 at age 97.Washington University Chancellor William H. Danforth said at the time of Tolman's death, "Carl Tolman was for 68 years one of the great people at Washington University.