Journal of Petroleum Science and Engineering, 8 ( 1993 ) 239-240 239 Elsevier Science Publishers B.V., Amsterdam

A tribute to Dr. Sullivan S. Marsden of Stanford University on the occasion of his 70th birthday

Prof. Sullivan S. "Sully" Marsden is retiring this year after 35 years on the faculty of the Petroleum Engineering Department, Stanford University. Prior to this, he was Associate Professor in the Department of Petroleum and Natural Gas Engineering at Penn State for four years, and before then he was for three years Assistant Director of the National Chemical Laboratory of India (Poona) , the largest re- search laboratory of this sort in India.

He completed his baccalaureate in Engi- neering Chemistry at Stanford in 1944 and then worked on the Manhattan Project in Oak Ridge (Tenn.) for a year. Returning to Stan- ford in early 1946, he received his doctorate in Physical Chemistry in 1948, and then was with the Stanford Research Institute for several years.

His academic training and early scientific interests were in Physical and Colloid Chem- istry when he worked with the late Prof. James W. McBain. This background was a good basis for his 39 years of teaching and research in Pe- troleum Engineering. This research started on

fluid flow, capillarity and wettability in porous media and gradually expanded to foam and emulsion applications in petroleum engineer- ing. His first work on foam started in 1959 and was the beginning of Stanford's long research program on foam use in EOR and elsewhere. This, in turn, lead to work on emulsion flow and pipelines which has lead to many papers and several patents coauthored with former students.

He has written more than 100 papers and patents usually coauthored with former stu- dents and colleagues. Several books based on his graduate courses are in preparation as well as additional papers. He continues to have a strong interest in undergraduate research and will maintain this as Professor Emeritus. He has taught in many countries (Japan, Iran, Mexico, Venezuela, China, former USSR) and may continue to do this and consulting after retirement, while still being based at Stanford.

His students and some friends also know of him as a home wine and beer maker of some skill, as well as an avid gardener and gourmet

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cook. He continues to ski and do long-distance mountain hikes to keep in shape. In the past decade, he has completed more than 2000 miles of the almost 2700-mile Pacific Crest Trail in California, Oregon and Washington.

He expects to complete the remainder in the next year or so and thus go on to other trails here and abroad. Any suggestions?

GEORGE V. CHILINGARIAN