University of Pennsylvania, History and Sociology of Science Department Colloquium
"Comic Strips, Military Training, and Early TV Weather Reports." January 26, 2009.
American Meteorological Society, Washington, D.C. Chapter.
"Weathering Heights: How Aviation Transformed American Meteorology." December 4, 2008.
Millersville University of Pennsylvania, Earth Science Department Colloquium
"Weathering Heights: How Aviation Transformed American Meteorology." September 25, 2008.
Columbia History of Science Group Weekly Seminar.
"Meteorological Entrepreneurs." Seattle, Washington, May 7th, 2002.