Died: 26 August 1977 in New York, USA

Robert Schatten received the Magister degree from John Casimir University in Lvov in 1933. After emigrating to the United States, he enrolled in the graduate school of Columbia University, receiving an M.A. degree in 1939. He continued his research under the direction of Francis J. Murray, and was awarded the Ph.D. degree in 1942. He held a brief appointment as a lecturer in the College of Pharmacy at Columbia University in 1942 before joining the U.S. Army, in which he served from 1942 to 1943. He suffered a broken back during training at Fort Benning, Georgia, and this injury gave him much pain for the rest of his life.

In the academic year 1943-1944, he had an appointment as assistant professor at the University of Vermont. He then won a two-year appointment as a Fellow of the National Research Council, and divided his time during this period between the Institute for Advanced Study and Yale University. He collaborated during these years with John von Neumann and with Nelson Dunford. In 1946, Schatten began a long association with
the University of Kansas, first as associate professor (1946-1952) and then as professor (1952-1961). This tenure was interrupted by leaves in 1950 and in 1952-1953, both of which he spent at the Institute for Advanced Study at Princeton.

The year 1960-1961 was spent as a visiting professor at the University of Southern California, and in 1961-1962 he served as professor at the State University of New York at Stony Brook. In 1962 he became professor at
Hunter College, in New York where he remained until his death. During the years 1964-1972 he was also a member of the doctoral faculty of the Graduate School of the City University of New York. At the time of his death he had no immediate survivors, all his known relatives in Poland having been killed during the war.

To his former students, Schatten will be remembered as a dedicated teacher who was genuinely concerned with the intellectual development of his students. They will certainly not forget his unique style of lecturing. He always spoke without a book or notes, and rarely used the blackboard. His lectures were extremely clear and well-organized; he never lost his way in complicated arguments. The pace was such that the students could (and were expected to) take notes verbatim; if they did so, their notes would read like a polished book, except for some linguistic idiosyncracies such as, "Given is a set...". He left nothing to chance in his dictation; for example, he invariably ended an argument with "This concludes the proof."

Schatten had his own way of making abstract concepts memorable to his elementary classes. Who could forget what a sequence was after hearing Schatten describe a long corridor, stretching as far as the eye could see, with hooks regularly spaced on the wall and numbered 1, 2, 3, ...? "Then," Schatten would say, "I come along with a big bag of numbers over my shoulder, and hang one number on each hook." This of course was accompanied by suitable gestures for emphasis.

Schatten had some eccentricities which endeared him to his friends. He hated noise, especially when it interrupted his sleep. In Lawrence, Kansas, he was seen early one morning in his garden, clad in pyjamas, trying to shoo away the grackles from a tree near his bedroom. Cars were also his bêtes noires: although he owned a car at one time, he never fully mastered the art of driving. He once got a nasty bruise from attempting to put his head out of the car window before lowering the glass. Bachelor life also presented various pitfalls such as having to contend with laundries that insisted on ironing his socks. He kept his unpublished mathematical researches in a bank's safe-deposit box.

1. Biography in American Men Of Science, The Physical and Biological Sciences (New York, 1967)

Books:

1. W A Light and E W Cheney, Approximation Theory in Tensor Product Spaces (Berlin, 1985)

Articles:

1. Obituary, New York Times, August 30, 1977

Personal communications from:
Professor Emeritus G. Baley Price (University of Kansas)
Professor Richard Churchill (Hunter College)
Professor Peter Falley (Fairleigh Dickinson University)
Professor Charles D. Masiello (Pace University, Pleasantville, New York).

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