text: After Black Mountain College, Hansgirg moved to New York. There he worked as chief engineer for the  Electro-Metal Corporation and the Bach Corporation, and provided consulting services to the Standard Oil Company of New Jersey.
  On July 23, 1949, Hansgirg died unexpectedly at the age of 58. The cause of death is unknown, but is suspected to be related to his decades of ingestion of magnesium, resulting in hypermagnesemia.