Ian Guchwon Teaching Assistant of the Year honors in 1995. He currently teaches chemistry at the Connelly School of the Holy Child in Potomac, Maryland. His website offers free resources for students and chemistry teachers.Kjirsten Wayman, Ph.D., received her Ph.D. in organic chemistry in 2000 at the University of Colorado, Boulder. Shes is an associate professor of chemistry at Humboldt State University in California.