. "Robert Neil Butler (21 January 1927 \u2013 4 July 2010) was an American gerontologist, physician, psychiatrist, and Pulitzer Prize-winning author, who was the first director of the National Institute on Aging. Butler is known for his work on the social needs and the rights of the elderly and for his research on healthy aging and the dementias."@en . "Robert Neil Butler"@en . . . "Robert Neil Butler (21 January 1927 \u2013 4 July 2010) was an American gerontologist, physician, psychiatrist, and Pulitzer Prize-winning author, who was the first director of the National Institute on Aging. Butler is known for his work on the social needs and the rights of the elderly and for his research on healthy aging and the dementias."@en .