Yusuf Nimr Tamimi, Ph.D.

Yusuf Nimr Tamimi

Title: Emeritus Professor of Soil Science
Company: University of Hawaii at Manoa
Location: Hilo, Hawaii, United States

Yusuf Nimr Tamimi, Ph.D., Emeritus Professor of Soil Science at the University of Hawaii at Manoa, has been recognized by Marquis Who’s Who Top Scientists for dedication, achievements, and leadership in soil science and higher education.

Spending 33 years at the University of Hawaii at Manoa, Dr. Tamimi retired in 1996, having last served as a soil scientist and professor in the College of Tropical Agriculture and Human Resources from 1974 to 1996, when he ultimately attained emeritus status. Prior to this appointment, he was an associate social scientist from 1970 to 1974 and an assistant soil scientist from 1963 to 1970. A major adviser to graduate-level and doctoral students, he taught courses in tropical soils, soil chemistry, and advanced soil fertility. During his tenure, he also determined soil critical levels for Hawaii and discovered the formation of teranakite, ammonium aluminum phosphates, in soils.

Dr. Tamimi has traveled extensively during his academic career, including to Taiwan, Singapore, Hong Kong, the Philippines, Fiji and Guam. In addition, he has visited Australia, the Netherlands, Switzerland,Portugal, Turkey, Syria and Jordan, where he participated in the establishment of a research center. For a brief period of time in the 1980s, he served as a senior soil scientist at Washington State University with the United States Agency for International Development, having also taught as a professor of soil science at the University of Jordan in the late 1970s. Furthermore, he has lent his considerable expertise as a consultant for land use on soil fertility and crop management.

Highly educated, Dr. Tamimi holds a Bachelor of Science in general agriculture from Purdue University, a Master of Science in soil chemistry and plant nutrition from New Mexico State University, and a Doctor of Philosophy in soil chemistry and plant physiology from the University of Hawaii at Manoa. He has authored 120 national and international papers to professional journals, and he has been the vice president of the Hawaii Farm Bureau Federation since 1990. Likewise, he has maintained affiliation with the American Society for Agronomy, the Soil Science Society of America, the American Society for Horticultural Science and the International Union of Soil Sciences.

Delving into his profession due to his desire to help farmers, Dr. Tamimi he has provided fertilizer recommendations to all farmers in Hawaii. Although his commitment has been to research and teaching, he felt it was idealistic to aid ranchers and farmers across Hawaii. For his efforts,he received a grant from the Governor’s Agriculture Coordinator Committee in 1990 and 1993 and has been listed in Who’s Who in the United States of America and Who’s Who in Great Britain. Additionally, he was selected for inclusion in the third edition of Who’s Who in Science and Engineering.

For more information, please visit:

Press Release 

Lifetime Achievement 

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