The obituary Dec. 1 for Frederick Kluckhuhn misspelled his surname twice in the text of the story. (Published 12/02/1999)

Frederick Henry Kluckhuhn, 82, a founding partner in 1950 of the Washington engineering firm that became Kluckhuhn, Cobb & McDavid by the time he retired in 1965, died Nov. 23 at Naples Community Hospital in Florida after a stroke. He lived in Annapolis and Naples.

During his 15-year association, the firm had 500 projects around the world. Mr. Kluckhuhn oversaw renovations to the Washington Monument in 1958, including a new floodlighting system and elevator. In 1956, he designed Seven Corners Shopping Center's massive underground cooling reservoir.

He also helped design the mechanical and electrical systems for U.S. embassies in South America and Africa.

Mr. Kluckhuhn built private homes since 1941, including the Silver Spring subdivision Rolling Acres in 1952.

In the 1960s, Mr. Kluckhorn became a partner in Laurel Fuel Oil Co. and Laurel Business Center with his wife, brother and sister-in-law.

Mr. Kluckhorn was born in Bowie and graduated from Laurel High School.

He received a bachelor's degree in mechanical engineering from the University of Maryland in 1938 and worked for area engineering design firms and the Navy Department before joining the Army Air Forces during World War II.

In the late 1940s, he helped design hospitals nationwide for the Veterans Administration's construction division.

He was a member of Pi Tau Sigma honorary mechanical engineering fraternity; the American Society of Heating, Refrigerating and Air Conditioning Engineers; the National Society of Professional Engineers and its Washington chapter, the Consulting Engineers Council; what is now the Greater Washington Board of Trade; the Washington Building Congress; and the Washington Executives Association.

An avid sailor and swimmer, he was a member of Annapolis Yacht Club and owned a succession of sailboats since 1963. He was a past president of the Severn River Association.

Survivors include his wife of 59 years, Priscilla Pratt Kluckhuhn of Annapolis and Naples; two daughters, Carolyn Long of Columbia and Nancy Thornton of Silver Spring; two sons, Dan, of Silver Spring, and Gary, of Naples; a brother, Robert Kluckhuhn of Laurel; six grandchildren; and one great-grandson.