The AAPG Foundation recently learned of the passing of three Trustee Associates. Virginia Monaghan passed away on April 11, 2011. She was a Trustee Associate since 1984. Don Freeman Tobin passed away on June 28, 2011. He was elected President of AAPG in 1994 and had been a Trustee Associate since 1991. Thomas Edwards Matson passed away on June 15, 2011. He was a Founding Trustee and Trustee Associate since 1977.