Darrell Berlin, a senior member of the American Chemical Society and of the Royal Society of London, has made important contributions in the field of organophosphorus chemistry and was a co-founder of the journal Phosporus, Sulfur, and Silicon. He is also recognized as a pioneer in development of heteroarotinoids as anti-cancer agents. Twenty students earned the MS, forty eight earned the PhD, and thirty one post doctorals studied in the group. More than 325 papers were published in peer reviewed journals. He was the first Regents Professor appointed at OSU. At OSU he received the Sigma XI Award in research, the Regents Distinguished Research Award, the Regents Distinguished Teaching Award, the Eminent Faculty Award, State of Oklahoma Medal of Excellence for Teaching at the College/University Level, the Burlington Northern Faculty Achievement award 1987-88, and was appointed an American Chemical Society ACS Fellow (2011).