Halfdan Mahler, Who Shifted W.H.O.’s Focus to Primary Care, Dies at 93 The director general of the World Health Organization from 1973 to 1988, Dr. Mahler acknowledged the group’s slowness in responding to AIDS. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Guam hit by strong earthquake amid North Korea missile threatTrilobites: The Prehistoric Puzzle of How Plesiosaurs Swam Through the OceansTrilobites: Hints of Trigonometry on a 3,700-Year-Old Babylonian TabletForty Years of VoyagerBREAKTHROUGH: Ecstasy could be used to treat PTSDAlan Root, Oft-Bitten Wildlife Filmmaker, Dies at 80