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Date: November 19, 1964

J. Lederberg
E. Levinthal

Dr. Morton Mandel

Dr. Mandel is a competent physicist with a good understanding of solid
state phenomena, electron paramagnetic resonance, and nuclear paramagnetic
resonance. His facility is greater with regard to the physics associated
with these phenomena than with the technology or instrumentation associated
with them.

Dr. Mandel is a pleasant person to have in the laboratory and works well with
other people. He needs leadership and direction to help him achieve produc-
tivity. While he certainly was a willing worker, one did not get a sense of
urgency about his endeavors. Some of these observations may relate to the
fact that he was trying to apply his talents in physics to a field -
biochemistry - which was new to him.

Dr. Mandel was employed here at a salary of $1250/month on April 3, 1963 and
terminated his employment on June 11, 1964 to take an NIH fellowship at the
Karolinska Institute in Stockholm.

His technical work in the laboratory is best described by the following three
papers he wrote while at Stanford:

1. Nuclear Magnetic Resonance of Phosphorus in Deoxythymidine Polynucleotides.
(With J. W. Westley). Nature 203: 301-302. 1964.

2. The Effect of Temperature on the Proton Magnetic Resonance Spectra of
Ribonuclease, Oxidized Ribonuclease, and Lysozyme. PNAS 52: 736-741. 1964.

3. Proton Magnetic Resonance Spectra of Some Proteins I. Ribonuclease, Oxi-
dized Ribonuclease, Lysozyme and Cytochrome C. To be published.

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