Following his retirement, he traveled to New Zealand to continue his study of seismology and geothermal energy. He studied the area's volcanic areas until he had to stop his research in 1946 due to poor health.[9]
In 1948, Day established the Arthur L. Day Medal through the Geological Society of America. The medal is for "outstanding distinction in contributing to geologic knowledge through the application of physics and chemistry to the solution of geologic problems".[12]
Family life
Day was the son of Daniel P. and Fanie (Hobbs) Day. In 1900, he married Helen Kohlrausch, daughter of physicist Friedrich Kohlrausch. Day and his wife had four children: Margaret, Dorothy, Helen and Ralph. In 1933, he married Ruth Sarah Easling. They had no children together.[13]
^Album Studiosorum Academiae Groninganae, Promotiën, p. 621.
^Jaarboek der Rijksuniversiteit te Groningen. 1913-1914. Promotiën. Faculteit der Wis- en Natuurkunde. Honoris Causa. Aard- en Delfstofkunde. 1914, 1 Juli, p. 91.
^"Arthur Louis Day"(PDF). National Academy of Sciences. Retrieved March 30, 2014.
^Eckel, Edwin, 1982, GSA Memoir 155, The Geological Society of America — Life History of a Learned Society: Boulder, Colorado, Geological Society of America Memoir 155, 168 p., ISBN0-8137-1155-X.
^ ab"Arthur L. Day". Carnegie Institute of Washington. Retrieved March 30, 2014.
^"Arthur L. Day". Encyclopædia Britannica. Retrieved March 30, 2014.