Keith Elkins Klinger,87, who helped develop the...

THE BALTIMORE SUN

Keith Elkins Klinger,87, who helped develop the 911 emergency response system during his tenure as a Los Angeles County fire chief, died Feb. 28 in Los Angeles of complications from cancer. As a member of President Richard M. Nixon's Fire Commission, he worked with Bell Laboratories in New York to develop the 911 system.

Dr. Hans J. Muller-Eberhard,70, one of the world's leading molecular immunologists, died of cancer Tuesday in Houston. He was one of the first scientists to explain the importance of the complement system, a kind of front line attack for the immune system that is composed of certain proteins in blood plasma.

Christine Marion Wallace,90, sister-in-law to President Harry S. Truman and a friend to Mamie Eisenhower, died Feb. 15 in Denver.

On July 27, 1933, she married David Frederick "Fred" Wallace, the youngest brother of Bess Wallace Truman. Her family also befriended President Dwight D. Eisenhower and his wife, Mamie, her daughter said.

Pub Date: 3/09/98

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