Nathan R. Rosenthal

FDA Biochemist

Nathan R. Rosenthal, 79, a biochemist with the Food and Drug Administration, died of a stroke Sept. 29 at Washington Hospital Center. He lived in Olney.

Mr. Rosenthal worked on food safety and on approvals of anti-cancer drugs at the FDA from 1959 to 1990, when he retired. Before that job, he worked for the National Institutes of Health in Bethesda.

He was born in Washington and graduated from Roosevelt High School in 1944. He served in the Army's 8th Infantry in central Europe during World War II and received the Bronze Star and a Combat Infantryman's Badge. After the war, he received bachelor's, master's and doctoral degrees in biochemistry from Georgetown University, the last one in 1959.

Mr. Rosenthal joined the Army Reserve as a captain in 1959 and rose to the rank of lieutenant colonel before retiring in 1978.

He was a past board member of Tifereth Israel Congregation in Washington.

Survivors include his wife of 50 years, Marjorie Broder Rosenthal of Olney; four children, Joanne Levine of Reston, Stuart Rosenthal of Olney, Barbara Ritter of Darnestown and Amy Goldstein of Norwich, Conn.; a brother, Stanley Rosenthal of Annapolis; and nine grandchildren.

Mary Ruth Latter

Aide to Navy Secretaries

Mary Ruth Latter, 81, an aide to five Navy secretaries and secretary to the Marine Corps commandant, died of respiratory failure Sept. 30 at Montgomery General Hospital. She lived in Silver Spring.

Mrs. Latter, a native of Beverly, Mass., served as an aide to Secretaries of the Navy John H. Chafee, J. William Middendorf, W. Graham Claytor Jr., Edward Hidalgo and John F. Lehman. Upon her 1983 retirement, four of them attended a reception for her, and Lehman called her "the keystone of the Navy secretariate."

She moved to the Washington area in 1942 and worked at the Navy Yard, performed with the USO and later raised her family of six children in Hyattsville. She was a parishioner and volunteer at St. Bernard's Catholic Church in Riverdale.

Her husband of 58 years, Arthur Eugene Latter, died in 2000.

Survivors include six children, Jeanne Latter of New York, Joyce Logan of Chicago, Janice Cullinane of Cincinnati, Jayne Korolkoff of North Potomac, Jody Amann of Silver Spring and Stephen Latter of Vienna; a sister; and 12 grandchildren.

Lillian 'Mickey' Cooley

IMF Employee

Lillian "Mickey" Cooley, 82, an early employee of the International Monetary Fund, died Sept. 15 at Washington County Hospital in Washington, Iowa. She had Alzheimer's disease.

Mrs. Cooley joined the IMF in 1950, five years after its founding, and was employee No. 77. It now employs 2,680. She was an administrative assistant, working there for 30 years, ultimately as an administrative officer for the IMF's research director, Jacques Polak.

For the next seven years, until her 1987 retirement, she was an office manager for the financial services firm now known as ING.

Mrs. Cooley was born in Rose Hill, Iowa. She was a stenographer and secretary at various military installations early in her adult life and moved to Washington in 1946 with her husband, John Cooley, who was attending the University of Maryland. She worked first for the War Assets Administration.

After her retirement, the couple moved to Dana Point, Calif., but returned to the Washington area in 1993 and lived in Arlington until 2003.

Survivors include her husband of 62 years, of Washington, Iowa; and a sister.

Denise Amber Lowery

Finance Officer

Denise Amber Lowery, 32, a finance officer with local auto dealers, died Sept. 24 while attending her cousin's wedding at the University of New Mexico in Albuquerque. She had heart disease.

Ms. Lowery, a native of Alexandria, had a congenital heart condition. She had a mitral valve replacement at age 12 and had a pacemaker implanted when she was 16. She received a new pacemaker this year. Nonetheless, her mother said, "she was very determined to lead as normal a life as possible."

Ms. Lowery graduated from Lee High School in Springfield in 1991 and attended George Mason University and Northern Virginia Community College. She was a bartender while attending college.

She began her career in 1993 with the National Association of Retail Druggists in Alexandria. In 1994, she became a finance officer and accountant with Rosenthal Infiniti-Nissan-Mazda of Tysons Corner. In 2004, she joined Land Rover Alexandria as a finance officer, overseeing warranties and tag and title registration.

After living in Franconia for most of her life, Ms. Lowery moved to Ashburn in 2003. Her interests included drag racing and attending concerts by Jimmy Buffett.

Survivors include her mother, Brenda Sue Brittain of Fairfax County; her father and stepmother, Daniel Louis Lowery and Barbara Lowery, both of Stafford; her grandmother, Bertha Lee Mason of Fairfax; a stepbrother, Gratton Earl "E.J." Dent Jr. of Fairfax; and a stepsister, Brandy Saunders of Nokesville.