KDC384119 Santorio Santorio sitting in his \'Balance Machine\' (engraving) by Italian School, (17th century) (after); Private Collection; (add.info.: Santorio (Sanctorius) (1561- 1636); frontispiece illustration of \'Ars de statica medicina\' (On Statistical Medicine\') shows Santorio seated in his chair suspended from a steelyard and weighing himself after a meal; Italian professor of medicine and inventor of a machine for studying the process of metabolism in the human body by measuring weight fluctuations; founding father of metabolic balance studies; also celebrated as the inventor of one of the earliest thermometers;); Italian, out of copyright.