Leslie Charles Quick Jr. was born on Jan. 27, 1926. His father, a low-level manager at Allied Chemical, was forced to move the family frequently before settling in Queens Village, where Mr. Quick attended Andrew Jackson High School. One of his New York classmates was Regina Clarkson, whom he married in 1950 after serving in the Army Air Corps during World War II and earning a bachelor of science degree at the Pennsylvania Military College (now Widener University in Chester, Pa.). Mr. Quick came to know Wall Street as an equipment salesman for the Addressograph Company. After a brief stint with a publishing consultant in 1955, he joined Forbes magazine, where he rose to business manager in 1962. He shifted to money management with Wallace Forbes & Partners in 1969, acquired control of that firm in 1972 and transformed it into Quick & Reilly in 1974. Mr. Quick and his partner, Kevin Reilly, set up their brokerage business in 1974. The following year, shortly after fixed-rate commissions on trading were abolished by the S.E.C. In 1997, Quick & Reilly was sold to Fleet Financial Services (now the FleetBoston Financial Corporation) for $1.6 billion in Fleet stock. The Quick family's stake was valued around $680 million. In addition to his wife and his son Thomas, also a resident of Palm Beach, Mr. Quick is survived by three other sons, Leslie C. Quick III of Bernardsville, N.J.; Peter Quick, of Mill Neck, N.Y.; and Christopher Quick of Purchase, N.Y.; as well as three daughters, Mary E. Pedersen of Purchase; Nancy J. Gibson of Winchester, Mass.; and Patricia A. Quick of Palm Beach; and 24 grandchildren.