John P. Markwell
Department of Biochemistry, University of Nebraska–Lincoln, Lincoln, NE 68588

Marjorie A. Langell
Department of Chemistry, University of Nebraska–Lincoln, Lincoln, NE 68588

Randy Emry
Lincoln Southeast High School, Lincoln, NE 68506

Kent J. Crippen
University of Nevada–Las Vegas, Las Vegas, NV 89154

Helen B. Brooks
Synaps Chem Tools, Lincoln, NE 68506

Amjad Abuloum
Faculty of Educational Sciences, Department of Curriculum and Instruction, The Hashemite University, Zarqa, Jordan

Karen C. Cohen
Karen C. Cohen and Associates, Weston, MA 02493