Complex sentence: Maria Ragland Davis (June 1,1959-Feb.12,2010) was an associate professor of Biology at the University of Alabama in Huntsville where she studied molecular biology and plant genetics.
Split into simpler sentences: Maria Ragland Davis (June 1,1959--February 12,2010) was an American biologist and educator. She was associate professor of Biology at the University of Alabama in Huntsville where she studied molecular biology and plant genetics.