On March 19 (Wednesday), the Notre Dame Forum will feature Rita Colwell, Ph.D., the former director of the National Science Foundation and renowned scientist and educator. Colwell is chair of Canon US Life Sciences Inc. and Distinguished University Professor at both the University of Maryland at College Park and Johns Hopkins University Bloomberg School of Public Health. Colwell’s lecture, “Oceans, Climate, and Human Health: The Cholera Paradigm,” will be at 7 p.m. in 101 DeBartolo Hall.