Thomas Patrick Coohill a member of the Review Committee of the United Nations for the Montreal Protocol on Substances that Deplete the Ozone Layer. His speciality is the effects of ultraviolet radiation on cells and viruses. He has published over 100 reviewed articles, book chapters, and books. He is a sought after consultant to industry and governments and has been a featured speaker in over 40 countries. Coohill is the recipient of several awards, including a Sigma Xi National Lectureship (twice), The Order of St. Michael (humanitarian), the meritorious RA Award from the American Society for Photobiology, and Outstanding Teacher and Researcher. He
Program and System Information Protocol Program and System Information Protocol The Program and System Information Protocol (PSIP) is the MPEG (a video and audio industry group) and privately defined program-specific information originally defined by General Instrument for the DigiCipher 2 system and later extended for the ATSC digital television system for carrying metadata about each channel in the broadcast MPEG transport stream of a television station and for publishing information about television programs so that viewers can select what to watch by title and description. PSIP defines virtual channels and content ratings, as well as electronic program guides with titles and (optionally) descriptions to be