Jerry Wilson received his physics degrees from Ohio University (B.S., Ph.D.) and Union College in Schenectady, New York (M.S.). In addition to co-writing PHYSICS LABORATORY EXPERIMENTS, he is one of the original authors of the first edition of AN INTRODUCTION TO PHYSICAL SCIENCE (published in 1971) and has several other physics textbooks to his credit. Wilson is currently Emeritus Professor ... Read moreof Physics at Lander University in Greenwood, South Carolina, and continues to write the Curiosity Corner, a question and answer column run in five regional newspapers. Cecilia Hernández-Hall received her M.S. in physics from the University of Puerto Rico, Mayagüez Campus, in 1993. After teaching for two years at the Mayagüez and Cayey campuses, she joined the Physics Education Research Group at the University of Nebraska, Lincoln, where research in physics education was conducted with an emphasis on computerized instruction. Professor Hernández has used computerized instruction with hundreds of her students, and she contributes to the computerized-instruction material throughout PHYSICS LABORATORY EXPERIMENTS. In 1998, Professor Hernández joined the faculty of American River College. She also works for PASCO Scientific in Roseville, California, where she helps develop computer-assisted lab activities for college physics and write manuals for new equipment. Show Less