Mudge E. Greenville, 86, a technical editor at the Armed Forces Radiobiology Research Institute for 20 years before retiring in 1997, died Feb. 17 at Randolph Hills Nursing Home in Wheaton.

She had Alzheimer’s disease, said her son, William Greenville III.

Modeste Elizabeth Majewski, who went by Mudge, was born in Amsterdam, N.Y. She worked as a telephone operator before moving to Kensington in 1950.

Her memberships included Holy Redeemer Catholic Church in Kensington, where she sang soprano in the choir.

She moved from Kensington to Wheaton in 2006.

Her husband of 55 years, William T. Greenville, died in 2006.

Survivors include two children, Catherine Camut of Rockville and William Greenville III of Huntington Beach, Calif.; and three grandchildren.

— Megan McDonough