when did he die?
May 17, 1945.
Robert Sterling Yard
 He died on May 17, 1945, at the age of 84
who is robert sterling yard? American writer, journalist, and wilderness activist. where was he born? Haverstraw, New York. was he married? Yes, married Mary Belle Moffat. did he have kids? Yes, Margaret. what was his profession? Journalist and editor-in-chief. for which newspaper or magazine? New York Sun, New York Herald, and The Century Magazine.
wiki:22583606
Robert Sterling Yard [SEP] Death and legacy
While ill from pneumonia at the end of his life, he ran the society's affairs from his bed. He died on May 17, 1945, at the age of 84. The National Park Service and what is now called the National Parks Conservation Association remain successful organizations. The National Park System of the United States protects more than 400 sites covering an area exceeding in all 50 states, Washington, D.C., American Samoa, Guam, Puerto Rico, Saipan, and the Virgin Islands. His work to preserve wilderness in the United States has also endured. After his death, three members of The Wilderness Society took on his various duties; Benton MacKaye officially replaced him as president, but executive secretary Howard Zahniser and director Olaus Murie ran the society for the next two decades.