The 1953 Nobel Prize in Physiology or Medicine, awarded to physician and biochemist Hans Krebs for

The 1953 Nobel Prize in Physiology or Medicine, awarded to physician and biochemist Hans Krebs for the discovery of the citric acid cycle (later named the Krebs cycle) and the urea cycle, the metabolic process by which all multi-cellular organisms convert food into energy. This Nobel Prize medal is made of 23k gold and features the relief portrait of Alfred Nobel, with his name and the years of his birth and death. Verso features the words, ''INVENTAS VITAM JUVAT EXCOLUISSE PER ARTES'', which translates from Latin to, ''Inventions enhance life which is beautified through art''. H.A. Krebs' name and the year 1953 in Roman numerals are engraved on a plaque below the relief, framed by the words, ''REG. UNIVERSITAS MED-CHIR-CAROL''. On the right side is the name ''E LINDBERG'', who designed the prize. Comes with the Nobel Prize diploma which contains calligraphy printed on 2 vellum sheets, with signatures from 29 members of the Royal Swedish Academy of Science, housed in a blue case with Krebs' initials ''HAK'' printed in gilt; sheets measure 8'' x 8.5'' and .75'' x 8.75''. Medal is housed in the 5.5'' square red leather presentation box with Krebs' name printed on the front. Medal measures 6.5 cm or 2.56'' in diameter, and weighs 196 g or 6.9 oz, consistent with the original Nobel Prizes awarded in 1953. Presented in near fine condition.