1830 ca. ITALY: The italian physicist and mathematician LEOPOLDO NOBILI (1784-1835). Portrait engraved by Monti, litographed by Ridolfi. Nobili invented a number of instruments critical to investigating thermodynamics and electrochemistry.He worked with Macedonio Melloni on the thermomultiplier, a combination of thermopile and galvanometer, before being appointed professor of physics at the Regal Museum of Physics and Natural History in Florence where he worked with Vincenzo Antinori on electromagnetic induction