Special to THE NEW YORK TIMES
ISLIP, L. I., Sept. 5---William K. Dick, industrialist, banker and grandson of a pioneer in the founding of the sugar industry in this country, died unexpectedly in his sleep this morning at his country estate, Allen Winden Farm. His age was 65.
Mr. Dick's oldest son, William Force Dick, who lives at 200 East Sixty-sixth Street, New York, said his father had appeared to have been in excellent health. The industrialist was believed to have suffered a heart attack at about 2 A. M.
A former chairman of the board of the National Sugar Refining Company, Mr. Dick received his education at the Pomfret (Conn.) School and from private tutors. He first came into public prominence in 1916, when he married Mrs. Madeline Force Astor, widow of Col. John Jacob Astor, who had lost his life in the sinking of the Titanic.
Two sons were born of this union, William Force Dick and John Henry Dick of Charleston, S. C.
Mr. Dick and his first wife, now dead, were divorced. In 1941, he married Virginia Keniston Conner in Akron, Ohio. They maintained a town house at 1 Beekman Place, New York, and the local estate established by Mr. Dick's grandfather, the late William Dick, who had had an early interest in sugar as an industry. The grandfather had named the estate All the Winds, in German.
Two children, a daughter, Dtrexa, and a son, Will K., were born to Mr. Dick and his second wife. All members of the family had gathered at the estate for the holiday week-end.
Mr. Dick was born in Brooklyn on May 28, 1888, the son of John Henry Dick and the former Julia Mollenhauser.
At his death, be was a director of Best Foods, Inc., president and director of the Dick Securities Corporation; and a director of Douglas Gibbons & Co., Inc.; the Eastern States Corporation; the Irving Trust Company, the National Sugar Refining Company, the Norwood and St. Lawrence Railroad, the St. Regis Paper Company, St. Regis Company, Ltd., of Canada, and the St. Regis Timber Company.
His clubs included the Brook, Racquet and Tennis, Southside, National Golf Links, New York Yacht, and the Turf and Field. He was a member of the Downtown Association.