HOWARD O. McMAHON

Arthur Little President

Howard O. McMahon, 75, an inventor who was president of the management consulting firm Arthur D. Little Inc. from 1964 to 1977, died of a heart ailment Aug. 5 at a hospital in Cambridge, Mass.

The scientist was given the Edward Longstreth Medal of the Franklin Institute in 1951 for helping develop the Collins Helium Crystat, which liquefies helium gas at minus 452 degrees Fahrenheit. The American Ceramics Society gave McMahon the Frank Forrest Award in 1952 for his research in thermal radiation.

Dr. McMahon, while an undergraduate at the Massachusetts Institute of Technology, perfected the "bubbling candle" Christmas tree ornament, and later received a doctorate in physical chemistry and physics. He joined Arthur Little as a research associate in 1943. He was the company's science director from 1952 to 1956, then served as vice president and head of its advanced research and development division before becoming president.

ROBERT RODENKIRCHEN

Sprinter

Robert Rodenkirchen, 74, a world-class sprinter who refused Adolf Hitler's request to represent Nazi Germany in the 1936 Olympic Games in Berlin, died Aug. 3 at a hospital in Belleville, N.J., after a heart attack.

He came to the United States from his native Germany as a child. He competed for North Texas State and Cornell universities and set a world record at the 1936 Olympic Trials semifinals by running the 200-meter dash in 21.2 seconds. He was denied a team spot because his father had never obtained U.S. citizenship.

Later in 1936, while Mr. Rodenkirchen was on the rubbing table for a race at Princeton University, the German ambassador to the United States delivered an invitation from Hitler to represent Germany in the Olympics as a representative of the Aryan race. Mr. Rodenkirchen refused.

W.M. SPACKMAN

Novelist

W.M. Spackman, 85, a novelist whose first book was not published until he was in his forties and who in 1984 received the Howard D. Vursell Memorial Award of the American Academy and Institute of Arts and Letters, died of cancer Aug. 3 at his home in Princeton, N.J.

His first novel, "Heyday," was published in 1953. His other works include "An Armful of Warm Girl," "A Difference in Design" and "A Little Decorum." He also wrote a volume of essays, "On the Decay of Humanism." A final book, "As I Sauntered Out, on Mid-Century Morning," is awaiting publication.

Mr. Spackman had taught classics at New York University and the University of Colorado. He also had worked as a radio writer, literary critic and public relations executive.

JACOB J. HECHT

Brooklyn Rabbi

Jacob J. Hecht, 66, a Brooklyn, N.Y., rabbi who was executive vice president of the national Committee for Furtherance of Jewish Education, died Aug. 5 in Ellenville, N.Y., after a heart attack.

Rabbi Hecht, a member of the Lubavitch sect, was head of the Rabbi Meyer Simche Congregation in Brooklyn's Flatbush section.

WILBUR SCHWARTZ

Clarinetist

Wilbur Schwartz, 72, a clarinetist who helped give the Glenn Miller band its distinctive sound, died of cancer on Aug. 3 at a hospital in Los Angeles.

He also recorded with the Nelson Riddle orchestras that backed up Frank Sinatra on his Capitol Records recordings.