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Memorial Tributes Volume 25 (2023) / Chapter Skim
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KARL A. GSCHNEIDNER JR.
Pages 168-175

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From page 169...
... PECHARSKY SUBMITTED BY THE NAE HOME SECRETARY KARL ALBERT GSCHNEIDNER JR., an international authority in rare earths and former Anson Marston Distinguished Professor of Engineering at Iowa State University of Science and Technology (ISU) , died April 27, 2016, at the age of 85.
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From page 170...
... He became a Distinguished Professor in Sciences and Humanities in 1979 and in 1986 was named Anson Marston Distinguished Professor of Engineering, ISU's highest faculty honor, in recognition of his exemplary performance in research and his national and international reputation in materials science of rare-earth elements and alloys. He served concurrently as a program director for metallurgy and ceramics at the US DOE Ames Laboratory (1974–79)
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From page 171...
... Supported jointly by ISU and Ames Laboratory and by contributions from hundreds of corporate and individual members, RIC quickly grew to become a unique and important resource of information about rare earths at the time, when now-common online tools were nonexistent. RIC responded to tens of thousands of requests for scientific information related to rare earths, and published and distributed quarterly and monthly newsletters, RIC News and RIC Insight, written personally by Karl.
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From page 172...
... He knew that the mag netic moments of rare earths, which are the largest known in nature, hold promise to support very large entropy changes -- the key reason for the emergence of strong thermal effects. His leadership and efforts led to important breakthroughs: the discovery of the giant magnetocaloric effect in a rare-earth 1  Gschneidner KA Jr.
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From page 173...
... Further, they triggered worldwide interest, with numerous groups investigating the phenomenon, discovering a number of new materials exhibiting giant magnetocaloric effects, and designing systems making use of large and reversible temperature changes in efficient, environmentally friendly solid-state caloric cooling devices. The magnetocaloric effect remained the top priority for Karl -- the field of science and engineering in which he published more than a hundred original research articles and reviews.
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From page 174...
... The field of magnetocaloric ­ materials and caloric cooling research that Karl helped to usher into the mainstream is blossoming with promising materials and devices that will bear fruit in the foreseeable future. And the Critical Materials Institute5 that Karl helped to establish and build from the ground up as its chief scientist -- following the testimony he gave in March 2010 before the Space, Science and Technology Committee of the US House of Representatives -- is still going strong.
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Key Terms

  • rare earth
  • ames laboratory
  • earth information
  • critical materials
  • magnetocaloric effect

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  • giant magnetocaloric
  • distinguished professor
  • materials institute
  • earth drive

  • caloric cooling
  • anson marston
  • karl helped
  • materials research
  • marston distinguished

  • zhang z
  • located deep
  • permanent magnets
  • innovation hub
  • faculty honor

  • monthly newsletters
  • alloy theory
  • karl returned
  • named anson
  • ric insight

  • materialia gold
  • nearly indistinguishable
  • albert gschneidner
  • science alumnus
  • started research


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