Victor Seigel, a writer for the National Aeronautics and Space Administration for 26 years, died Jan. 30 at home in Silver Spring, Md. He was 90.

The cause was lung cancer, his wife, Lois Mae Seigel, said.

Mr. Seigel joined NASA in 1959 and specialized in writing about scientific developments. He retired in 1985.

Victor Seigel was born in St. Louis and served in the Army during World War II. In 1946, he graduated from the University of Missouri School of Journalism, and he received a second bachelor’s degree in 1952 from Washington University in St. Louis.

In 1988, at the age of 64, he received a master’s degree in general administration at the University of Maryland.

After his World War II military service, Mr. Seigel served in a variety of civilian capacities for the Defense Department in St. Louis, Indianapolis, Columbus, Ohio, and Fort Lee, Va.

He was a Boy Scout volunteer and a public speaker on various aspects of the NASA program.

Survivors include his wife of 62 years, Lois Mae Stein Seigel of Silver Spring; two children, Alan Seigel of Laurel, Md., and Tammy Fastman of Elkridge, Md.; and three grandchildren.

— Bart Barnes