Leonard Maxwell Isaacson (born 1925) is an American

chemist A chemist (from Greek ''chēm(ía)'' alchemy; replacing ''chymist'' from Medieval Latin ''alchemist'') is a scientist trained in the study of chemistry. Chemists study the composition of matter and its properties. Chemists carefully describe t ...

and composer. Isaacson collaborated with Lejaren Hiller on the computer-programmed acoustic composition, ''

Illiac Suite ''Illiac Suite'' (later retitled String Quartet No. 4)Andrew Stiller, "Hiller, Lejaren (Arthur)", ''Grove Music Online'' (reviewed December 3, 2010; accessed December 14, 2014). is a 1957 composition for string quartet which is generally agreed t ...

'' (1957).Lejarn Hiller Obituary
, ''PeterGena.com''. At the time, both composers were professors at the

University of Illinois at Urbana–Champaign The University of Illinois Urbana-Champaign (U of I, Illinois, University of Illinois, or UIUC) is a public land-grant research university in Illinois in the twin cities of Champaign and Urbana. It is the flagship institution of the Univer ...

, and used the university's room-size

ILLIAC I The ILLIAC I (Illinois Automatic Computer), a pioneering computer in the ILLIAC series of computers built in 1952 by the University of Illinois, was the first computer built and owned entirely by a United States educational institution. Compute ...

Bibliography

*Hiller, Lejaren A., and Leonard M. Issacson. (1959/1979)
''Experimental Music: Composition With an Electronic Computer''.
McGraw-Hill, New York. .

References

1925 births Issacson Issacson American chemists Living people University of Illinois Urbana-Champaign faculty {{US-composer-stub