The Hartmans moved to Mexico City where he represented Disney Productions in Central America and the Antilles.
"[3] 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.
In 1938, using a Swedish 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.
He was married to Lorie Hartman for three decades, a professor of literature at NYU, and later remarried to Stacey McNutt, a writer and an editor.
He was the subject of doctoral dissertations, including that of a former Chairman of the Philosophy Department at the University of Tennessee, Professor John Davis, as well as of Marvin Charles Katz, whose thesis was later published as a book entitled Trends Towards Synthesis.
He has published papers on the phenomenology of group measurement, on universal constants in Physics (in his role as a philosopher of science), on the logic of description and valuation, on the contribution of St. Anselm, and on the Concept of Self in Søren Kierkegaard.
The reference book Who Knows What listed Hartman as one of the two living authorities on value theory (the other was Charles W. Morris (1903-1979).
Hartman and includes articles dealing primarily with axiological practice and application, as well as with theoretical issues.
[7] Articles may be critical, constructive, creative, theoretical, or applied, and are focused on advancing our understanding of Hartmanian axiology and/or what can be done with it.
[9] Hartman was a prolific writer with some of his works published and many available in their original manuscript form at the University of Tennessee Knoxville Archives.
All good things share a common formal or structural pattern: they fulfill the ideal standards or "concepts" that we apply to them.
This collection of essays by Hartman reveal, for the first time in one place, the range and depth of his thoughts on this subject.
Hartman's ideas, if understood and embraced, may well lead to fulfillment of his hope that we can learn to live in peace.