Lloyd A. Jeffress
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| Born | Lloyd Alexander Jeffress November 15, 1900 San Jose, California, U.S. |
| Died |
April 2, 1986 (aged 85) Austin, Texas, U.S. |
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Lloyd Alexander Jeffress (November 15, 1900 – April 2, 1986) was an acoustical scientist, a professor of Experimental Psychology at the University of Texas at Austin, a developer of mine-hunting models for the US Navy during World War II and after, and the man Nobel Laureate Linus Pauling credited with getting him interested in chemistry.
According to the American Journal of Psychology, Jeffress was known to psychologists for his pioneering research on auditory masking in psychoacoustics, his stimulus-oriented approach to signal-detection theory in psychophysics, and his "ingenious" electronic and mathematical models of the auditory process.
Jeffress received the first-ever Silver Medal in Psychological and Physiological Acoustics from the Acoustical Society of America in 1977 for "extensive contributions in psychoacoustics, particularly binaural hearing, and for the example he has set as a teacher and scholar."
Lloyd A. Jeffress was born November 11, 1900, in San Jose, California, the only child in a family that moved a short time later to Portland, Oregon, where Jeffress grew up and went to high school. From grammar school on, one of Jeffress' closest friends was double Nobel Prize winner Linus Pauling, who regularly credited Jeffress with showing him his first chemistry experiment when they were both 13.
In 1918, Jeffress enrolled at Oregon Agricultural College (later Oregon State University) at Corvallis, where he was Pauling's roommate. The next year, he transferred to the University of California at Berkeley as a physics major, but, while completing that degree, he became increasingly interested in the newly expanding field of experimental psychology.
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