James R. D. Stevenson, former head of the Robert Stevenson drug company, passed away last Friday morning at the North Shore health resort, Winnetka, after an illness of three years. Mr. Stevenson, who had retired from active business in 1924, was 62 years of age, and prior to his illness, made his home at 560 Hawthorne place, Chicago. He is survived by his widow, by a son, James R.D. Stevenson, Jr., of Kenilworth, and a daughter, Mrs. Paul B. Magnuson, Jr. of Northbrook. Funeral srvices were conducted on Monday afternoon at the Graceland cemetery chapel by the Rev. Herbert L. Willett of the Kenilworth Union church.