Professor Lansbury retired in 1995. During his career at the University at Buffalo, Professor Lansbury collaborated in physical-organic and synthetic organic chemistry research with his 38 Ph.D. students, 12 post-doctoral fellow and numerous undergraduate scholars. His major scientific contributions were in organosynthetic methodology and natural products total synthesis, for which he was awarded the 1985 Jacob F. Schoellfopf Medal by the Western New York ACS.
Professor Lansbury created the Peter T. Lansbury Undergraduate Research Award for junior Chemistry majors. The award is for a research project to be done during the summer between the Junior and Senior year.