Robert Schirokauer Hartman (January 27, 1910 – September 20, 1973) was a German-American logician and philosopher. His primary field of study was scientific axiology (the science of value) and he is known as its original theorist. His axiology is the basis of the Hartman Value Inventory (also known as the "Hartman Value Profile (HVP)", which is used in psychology to measure the character of an individual. Early life Robert S. Hartman was born in Berlin, Germany on January 27, 1910. He studied at the German College of Political Science, and also at the University of Paris, the London School of Economics, and at the University of Berlin from which he received an LL.B. degree in1932. He started working as instructor in administrative law and the philosophy of law at the University of Berlin, and he also served as Assistant Judge of the District court, Berlin-Charlottenburg. In 1932 he left Germany for Britain and "started working for Walt Disney Productions as a copyright representative in Britain and later opened offices for Disney in Denmark, Norway, Finland and Sweden where he met and married his wife. The Hartmans moved to Mexico City where he represented Disney Productions in Central America and the Antilles." Career Hartman's rejection of Fascism brought him into conflict with the Nazi party and forced him to leave Germany, using a fake passport, in 1932. He legally changed his name, which originally was Robert Schirokauer, to the name on his passport, Robert S. (for Schirokauer) Hartman. In 1938, using a Swedish aliens passport, he, his wife, and son left Europe for Mexico, where they lived until their immigration in 1941 to the United States, where they later became citizens. In 1941 he migrated to the United States and became a citizen. He did his doctoral work in philosophy at Northwestern University in 1946. He taught at the University of Berlin and at Lake Forest Academy near Chicago. He was a professor of philosophy at the College of Wooster (1945 - 1948) and at Ohio State University (1948 - 1956) and was a visiting professor at the Massachusetts Institute of Technology (1955 - 1956) and at Yale University in 1966. Hartman was a Research Fellow and Exchange Professor at the National University of Mexico from 1956 - 1957, and from 1957 until his death he was a research professor of philosophy there. From 1968 until his death Hartman also held