Devoting himself next to optics, he produced memoirs which entitle him to a high place among the early, searchers after a true dynamical theory of light.
From 1816 to 1819 Leo studied at the universities of Breslau, Jena and GÃ¶ttingen, devoting himself more especially to history, philology and theology.
He won the good-will of his employers by devoting himself to the improvement of their manufacturing business, and he kept his hands clean from the prevalent taint of pecuniary transactions with the nawab of the Carnatic. One fact of some interest is not generally known.
He learned and practised several small handicrafts, and devoting his nights to study of the most miscellaneous description earned a pittance by teaching.
Matriculating at the university of Gottingen in 1811, he began by devoting himself to astronomy under Carl Friedrich Gauss; but he enlisted in the Hanseatic Legion for the campaign of 1813 - 14, and became lieutenant of artillery in the Prussian service in 1815.