Chicxulub: The Impact and Tsunami: The Story of the Largest Known Asteroid to Hit the Earth - Paperback

David Shonting earned a B.S. and M.S. in chemistry from the University of New Hampshire and the ScD from the Massachusetts Institute of Technology. He served as research assistant at the Woods Hole Oceanographic Institution, as a physical oceanographer at the Naval Underwater Systems Center, Newport, RI and as adjunct professor at the University of Rhode Island. He helped to initiate and develop the Oceanography and Ocean Engineering programs at Southeast Massachusetts University. Dr. Shonting also conducted research at the NATO Undersea Research Centre in La Spazia, Italy and has consulted in Admiralty Law and environmental programs

Cathy Ezrailson is currently an associate professor of science education at the University of South Dakota. She earned her B.S. in Earth Science from Ashland University, her M.S. in Curriculum and Instruction: Science Education at the University of Houston, and her Ph.D. in Curriculum and Instruction: Physics Education from Texas A&M University. She has taught physics, geology, and physical science. And was awarded the Presidential Award Excellence in Math and Science Teaching from Texas in 2000. She gives local, national and international presentations and workshops for teachers and students. She now consults widely on classroom, lab and field safety.