Final answer:
The 7 professors from the School of Physical Sciences who rank among the most cited scholars in their fields during the past 20 years are Douglas Ingram, Steven Kawaler, Lloyd Knox, Mark Krumholz, James Lowenthal, Siobahn Morgan, and Daniel Perley.
Step-by-step explanation:
The 7 professors from the School of Physical Sciences that rank among the most cited scholars in their fields during the past 20 years are:
- Douglas Ingram from Texas Christian University
- Steven Kawaler from Iowa State University
- Lloyd Knox from University of California, Davis
- Mark Krumholz from Australian National University
- James Lowenthal from Smith College
- Siobahn Morgan from University of Northern Iowa
- Daniel Perley from California Institute of Technology