[1] His wife owned and operated bookstores in the Pittsburgh neighborhoods of Squirrel Hill (where Gumberg was raised) and Shadyside.
[3] After graduating from Taylor Allderdice High School, he joined the United States Navy where he served as a medical assistant.
[1] In 1964, after building the Quaker Village shopping center in Leetsdale, the focus of the company shifted to development.
[1] He served as chairman of the board of Montefiore Hospital and presided over its sale in 1990 to form the Jewish Healthcare Foundation.
[5] Famous progeny include Cinnomon Sugar, Weekend Madness, Red Roses Story, Jazil and Rags to Riches, along with the hunter, Corsani, and show jumper, Chinita.