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J. GEORG BEDNORZ - FIRST DAY COVER SIGNED - HFSID 267667

 
J. GEORG BEDNORZ
The Nobel Prize winner (Physics, 1987) signs a First Day Cover honoring a World Forestry Congress.
First Day Cover signed:"J. Georg Bednorz", 6½x3½. FDC honoring Fifth World Forestry Congress Seattle Washington, U. S. A. 1960, 4-cent stamp affixed, postmarked Seattle, Washington, August 29, 1960, FIRST DAY OF ISSUE. Bednorz, along with, K. Alexander Müeller, was awarded the Nobel Prize in Physics in 1987 for his discovery of high-temperature superconductivity in a new class of materials. Drs. Bednorz and Müeller startled the world by reporting superconductivity in a layered, ceramic material at a then-record-high temperature - 33 degrees above absolute zero, or 0 Kelvin (roughly -460 degrees Fahrenheit). Their discovery set off an avalanche of research worldwide into related materials that yielded dozens of new superconductors, eventually reaching a transition temperature of 135 Kelvin. Superconductivity must be achieved at higher temperatures to permit commercially viable breakthroughs like super-fast trains and ultra-fast computers. Bednorz was born in Germany in 1950. Fine condition.


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J. GEORG BEDNORZ  


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J. GEORG BEDNORZ
Born: May 16, 1950


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