Eleanor Louise Taylor, a retired Johns Hopkins Hospital chemist, died of coronary artery disease May 6 at the institution where she worked. The Catonsville resident was 90.

Born Eleanor Louise Harnishfeger in Baltimore, she was the daughter of Louis Harnishfeger, a federal government employee, and Minerva Harnishfeger, a city Department of Public Welfare nurse. She lived on Schley Avenue and was a 1942 Eastern High School graduate. She earned a bachelor's degree from Washington College in Chestertown and studied at the Johns Hopkins University.

In August 1945, she married her college sweetheart, Francis Taylor, Jr., an explosions chemist at the Naval Research Lab in Washington.

Family members said that for 40 years, Mrs. Taylor was a clinical chemist in the Hopkins Hospital Clinical Chemistry Laboratory. They also said she performed thousands of lab tests on Johns Hopkins' patients. She rose to become a lab supervisor and was also its manager.

Nearly 30 years ago, Mrs. Taylor worked with the faculties of the former Villa Julie College and Essex Community College to establish programs for medical laboratory technicians. She taught clinical chemistry to their students and supervised their rotations through the Hopkins Clinical Chemistry Laboratory. She retired in 1986.

She was an active member of the American Association of Clinical Chemistry.

Mrs. Taylor was a dog fancier and owned a fox terrier, a Welsh terrier, and five Airedale terriers. She was a charter member of the Airedale Terrier Club of Metropolitan Washington, D.C.

She was an accomplished swimmer and had been a lifeguard. She enjoyed Chesapeake Bay sailing. She was a Baltimore Symphony Orchestra subscriber for more than 50 years.

A memorial service will be held at 11 a.m. May 17 at the Sterling-Ashton-Schwab-Witzke Funeral Home, 1630 Edmondson Ave., Catonsville.

Survivors include a cousin, Jeanne Smith, of Elizabethtown, Ky. Her husband of 20 years died in 1965.

jacques.kelly@baltsun.com