Adam Scherl

Police Officer

Adam Scherl, 88, a retired D.C. police officer, died of a heart attack Oct. 7 at Prince George's Hospital Center. He was a resident of Cheverly.

Born in Youngstown, Ohio, Mr. Scherl moved to Washington in 1937 and went to work for the Metropolitan Police Department. He retired as a patrolman in the early 1960s.

He then worked in the ticket and advertising offices of the Washington Redskins until his second retirement in 1982.

He was a golfer and a member for more than 55 years of St. Ambrose Catholic Church in Cheverly.

His wife of 59 years, Frances Hines Scherl, died in 1997.

Survivors include his companion, Bunky Scherl of Cheverly; five children, Raymond Scherl of Chester, Md., Frances Scherl of Asheville, N.C., Edward Scherl of Stevensville, Md., Thomas Scherl of Dunkirk and Maryellen Scherl of Riverside, R.I.; two sisters; 10 grandchildren; and seven great-grandchildren.

Phyllis Ann Ottinger Smith

Membership Director

Phyllis Ann Ottinger Smith, 74, membership director of an insurance association, died Oct. 6 of cancer at Hospice of the Chesapeake in Annapolis. She lived in Edgewater.

Mrs. Smith, who traveled the world as the wife of a Navy officer, settled in the Washington area in 1968. From 1978 to 1988, she was the membership director of the National Association of Life Underwriters in Washington.

She was born in Knoxville, Tenn., and graduated from the University of Tennessee, where she was a member of the Kappa Delta sorority.

Mrs. Smith lived in Annandale from 1968 to 1982, when she moved to Edgewater. She was a member of St. Paul's Anglican Church in Annapolis. She was a member of two charitable societies, the Order of St. Catherine of Sinai and the International Order of the Sword of England.

She also was president of several clubs composed of spouses of U.S. Navy submarine officers and was a member of the Friends of the Annapolis Symphony.

Mrs. Smith enjoyed gardening and sailing on the Chesapeake Bay.

Survivors include her husband of 51 years, retired Navy Capt. Joseph Collins Smith of Edgewater; a son, Joseph Collins Smith II of Villa Hills, Ky.; and a grandson.

Catherine Hannah

Church Member

Catherine Hannah, 84, a parishioner at Our Lady of Lourdes Catholic Church in Arlington for more than 30 years, died Oct. 5 at Inova Mount Vernon Hospital. She had Alzheimer's disease.

Mrs. Hannah moved to Arlington in 1964 when her husband, Army Col. Paul V. Hannah, was stationed at the Pentagon in the Office of the Undersecretary of the Army. She lived in Arlington until 1995, when she moved to a retirement home at Fort Belvoir.

She was born in Chapman, Kan., and graduated from Kansas State University with a bachelor's degree in music education. She was a member of Pi Beta Phi Sorority.

Mrs. Hannah taught music in Dickinson County, Kan., for short time. After marrying in 1943, she moved with her husband to military posts in Oklahoma, Massachusetts, Tokyo, Norfolk, Germany, Chicago and the Pentagon, among others.

Her greatest loves were her husband, her children and grandchildren. She also enjoyed music, flowers and gardening.

Her husband died in 1974.

Survivors include two children, Drew Hannah of Newton, Mass., and Christine Kamerow of Burke; and five grandchildren.

Mary W. Platt

Employee Relations Specialist

Mary W. Platt, 73, an employee relations specialist with two military health organizations, died Oct. 3 of melanoma at Suburban Hospital. She lived in Bethesda.

Mrs. Platt was born in Ellsworth, Maine, and moved as an infant to Ireland. She returned to the United States in 1949 to join her mother in Washington. She worked as a stenographer with the General Accounting Office before marrying in 1952.

After studying at Montgomery Community College, she went to work about 1970 at the National Naval Medical Center in Bethesda. She later transferred to the Uniformed Services University of the Health Sciences, also in Bethesda, from which she retired in the late 1980s as an employee relations specialist.

She lived in Alexandria from 1952 to 1960, when she moved to Bethesda. She attended St. Jane Frances De Chantal Catholic Church in Bethesda.

Survivors include her husband of 52 years, Elwood A. Platt of Bethesda; two children, Elwood A. Platt Jr. of Gaithersburg and Eileen M. Platt of Miami; and two grandchildren.

Craig Warren Parker

Building Engineer

Craig Warren Parker, 55, a building engineer who traveled overseas to provide maintenance support for U.S. Embassies, died of cancer Oct. 5 at his home in Locust Grove, in Orange County, Va.

Mr. Parker had worked for the State Department's Office of Overseas Buildings since he moved to the Washington area in 1987. Earlier, the former Marine Corps reservist lived in his native Norfolk, where he had been a mechanic for Western Branch Diesel and an electrician and maintenance supervisor for apartment complexes in that area.

His marriage to Jenny Parker ended in divorce.

Survivors include his wife of 10 years, Barbara Parker of Locust Grove; a son from his first marriage, Ross Parker of Norfolk; a brother; and two stepsons, Andrew Kirby and Matthew Kirby, both of the United Kingdom.

Dr. Luis Enrique Gregory

Plant Physiologist

Dr. Luis Enrique Gregory, 89, a plant physiologist for the United States Department of Agriculture, died of pneumonia and kidney failure Sept. 15 at Doctor's Hospital in Lanham. A resident of College Park, he had lived in the Washington area off and on since 1954.

In 1950, Dr. Gregory identified a new species of laurel in the tropical forests of Puerto Rico, which he named Licaria Brittioniana. Throughout his career, he made discoveries about plant hormones and growth regulators that increased worldwide crop yields, especially for soybeans, barley and potatoes. He also invented new bio-assay and root-grafting techniques that facilitated research in plant laboratories throughout the world.

Dr. Gregory was born in San German, Puerto Rico, and received an undergraduate degree in agriculture from the University of Puerto Rico in 1936. He received a master's degree in plant physiology from the University of California at Berkeley in 1947 and a doctorate in horticulture from the University of California at Los Angeles and the California Institute of Technology in 1954. He did post-doctoral work in horticulture at Johns Hopkins University.

He was a USDA forester in Puerto Rico from 1940 to 1942 and a plant physiologist for Puerto Rico's Institute of Tropical Agriculture from 1944 to 1948. He worked for the USDA in Costa Rica from 1948 to 1952 and as a plant physiologist at the USDA's Beltsville campus from 1955 until his retirement in 1981.

His writings include more than 30 articles published in numerous botanical and horticultural journals, as well as a chapter in the Encyclopedia of Plant Physiology on Tubers and Tuberous Roots. He received fellowships from the Guggenheim Foundation and the National Science Foundation and a Distinguished Achievement Award from the USDA.

An active parishioner at St. Camillus Catholic Church in Silver Spring, Dr. Gregory taught adult religious education classes and delivered food for Meals on Wheels.

Survivors include his wife of 50 years, Claudia Echandi Gregory of College Park; four children, Oscar Gregory of Gaithersburg, Luis Gregory of Silver Spring, Victoria Bartolomei of Costa Rica and Anabelle Pollock of Silver Spring; four sisters; 15 grandchildren; and six great-grandchildren.

Dr. Eugene J. Yorkoff

Family Physician

Dr. Eugene James Yorkoff, 85, a family physician in the Washington area for almost four decades, died of cardiac arrest Oct. 1 in Atlantis, Fla. He lived in West Palm Beach.

Dr. Yorkoff, who was born in East Orange, N.J., received his bachelor's and medical degrees at the University of Virginia and graduated in 1943. During World War II, he served in the U.S. Navy in the Pacific and in Europe, including Normandy.

After the war, he began his medical career in the coal mining camps of southwestern Virginia. He practiced for three years in Pound, Va.

He moved to the District in 1949, opening his family medicine practice in an office on Mississippi Avenue SE. He moved his office to Marlow Heights in 1968. A volunteer at the Free Clinic in the District before Medicare was enacted, he served several generations of area residents.

He retired in 1987 and moved to West Palm Beach the next year.

Dr. Yorkoff's wife, Doris Yorkoff, died in 1998.

Survivors include two daughters, Roberta Yorkoff of West Palm Beach and Y York of Honolulu.