24 May 2014, Heilbronn: Energy conservation, R. Mayer

Robert Mayer (1814-1878), physician in Heilbronn, discoverd the universal law of energy conservation in 1845.

2014_05_24 Heilbronn, Denkmal Robert Mayer
2014_05_24 Heilbronn, Denkmal Robert Mayer
Posted on Posted in Site_visit