Born to a Jewish family,[1][2] Tishman helped bring coop apartment ownership to New York City and was one of the first brokers to bring office tenants to Park Avenue.[3]
He was married to Margaret Westheimer Tishman who died in 2004. They had two daughters: Pat Tishman Hall and Virginia "Nina" Tishman Alexander; and one son, David Tishman.[5] His daughter Nina died in 1999.[6] Tishman died on January 13, 2004; services were held at Temple Shaaray Tefila in Manhattan.[1]