Sam Bowring grooves to calibrating the rates of biologic evolution; constraining the early history of the earth; and using U-Pb-Ar systematics in accessory minerals to understand the thermal history of orogenic belts.

Bill Olszewski is the research specialist in charge of operation and maintenance of the mass spectrometer facility dedicated to the Argon Lab. He worked for several years as a consultant in geochemistry and as a research scientist specializing in effective operation of analytical laboratories.