We are sorry to report that Professor Caretto passed away. We are all indebted to him for making PGSS a reality so many years ago. https://www.legacy.com/obituaries/postgazette/obituary.aspx?n=albert-a-caretto&pid=193280032&utm_source=MarketingCloud&utm_medium=email&utm_campaign=ObitShare&utm_content=ViewObituary