 Geffen was also one of the founders of the Blue List, a daily paper that consisted entirely of advertising for municipal bonds that was later merged into Standard & Poor's, which was in turn acquired by McGraw-Hill.He also founded a magazine for doctors, "Medical World News", in 1961 and sold it to McGraw-Hill in 1966 for $17 million.In 1968, at the age of 72, he resigned as a senior vice president at McGraw-Hill and became the principal owner and chairman of the publisher David McKay, Ltd.