Heather Hattori has taught both high school and college level chemistry during her 30+ years in education.
Richard H. Langley, PhD, is on the faculty of Stephen F. Austin State University in Nacogdoches,Texas, where he teaches chemistry.
John T. Moore, EdD, and Richard H. Langley, PhD, teach Chemistry at Stephen F. Austin State University. Together they have more than 8.9 x 101 years of science education experience, and they have authored or coauthored oodles of books on chemistry topics.