Herman Y. Carr (November 28, 1924 – April 9, 2008), who published as H. Y. Carr, was an American physicist and pioneer of magnetic resonance imaging.
Dr. Carr was born in Alliance, Ohio where he was an Alliance High School graduate in January 1943; he later was inducted into their Hall of Fame. He served in the Army as a Sergeant in the 12th Weather Squadron Air Corps during World War II in Italy.
After the War he received a Harvard National Scholarship from Harvard University and graduated summa cum laude in 1948 and also earned his master’s degree in 1949 and a Ph.D. in physics in 1953 from Harvard University. His doctorate thesis, published in 1952, described the first techniques for using gradients in magnetic fields and is the first example of magnetic resonance imaging. He later moved to Rutgers University, where he was professor. Dr. Carr became Professor Emeritus in 1987 and was actively involved in the area of MRI with studies up until his death.
In 2003 the Nobel Prize in Medicine was awarded to Paul C. Lauterbur and Peter Mansfield for their work on MRI. There was some controversy when Carr was not awarded the prize jointly with Lauterbur and Mansfield. See Nobel Prize controversies.
Ten years before the Nobel announcement, Carr wrote to Physics Today noting that both his 1952 demonstration of use of magnetic gradients for spatial localization and his actual demonstration of 1-D "imaging" had been overlooked by the radiologist Felix Wehrli in a 1992 article. In a later letter to Physics Today, Carr noted that the 1952 MRI demonstration had also been overlooked by Bertram Schwarzschild in a 2003 article which referred to Wehrli’s 1992 article. Schwarzschild did mention the 1952 use of field gradients to correlate nuclear signals to spatial location and thus enable the measurements of both diffusion and flow, but the 1952 MRI measurement of structure was not mentioned.
As a professed pacifist he served on the National General Board of Church and Society of the United Methodist Church where he was a representative to Russia during glasnost promoting Christianity, justice and world peace. He was recognized and honored in 1995 with the Francis Asbury Award for fostering United Methodist Ministries in Higher Education. He was a very active member of the United Methodist Church of New Brunswick where he served many capacities as a church layman. His special interest was focused on the church's Urban Outreach to area public housing and men’s shelters, world peace and social justice.
Professor Carr was known as a fine teacher and received a Guggenheim Fellowship where he participated in a cooperative research program at Cornell University, Oxford University in England and at the University of Amsterdam the Netherlands.
In addition to numerous scientific publications Dr. Carr co-authored the introductory textbook Physics From the Ground Up published in 1971. In 2001 an anonymous donation created two Herman Y. Carr Scholarships in Physics and Astronomy at Rutgers University. Dr. Carr became Professor Emeritus in 1987 and was actively involved in the area of MRI studies up until his death.
Herman Carr, 83, died peacefully on April 9, 2008 at his home in Bridgewater Township, New Jersey. He was the husband of Hilda Hagen Kinney, who had died on August 29, 1986. Surviving are his children, Robert Carr and Amanda Carr-Sozer.
- Herman Y. Carr, “Letter to Editor,” Physics Today, 1993 January, page 94.
- Felix W. Wehrli, “The Origins and Future of Nuclear Magnetic Resonance Imaging,” Physics Today, 1992 June, page 34.
- Herman Y. Carr, "Field Gradients in Early MRI," Physics Today, 2004 July, page 83.
- Bertram Schwarzschild, “Lauterbur and Mansfield Awarded Nobel Medicine Prize for MRI,” Physics Today, 2003 December, page 24.
- Staff. "Herman Carr Rutgers professor", Asbury Park Press, April 10, 2008. Accessed January 7, 2013.
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