Our friend and colleague Bogdan Oporowski, LSU Professor of Mathematics, passed away Friday, April 7th, 2023. Bogdan Oporowski completed his undergraduate studies at Adam Mickiewicz University in Poznan, Poland, and went on to earn his Ph.D. from Ohio State University in 1989, where he was supervised by Neil Robertson. After completing his doctoral studies, he joined the Math department as an Assistant Professor, marking the beginning of a long and successful career as professor at LSU.