Born: October 6, 1852, Ukmergė, Lithuania (then part of Russian Empire).

Died: August 29, 1900, Saint-Maur-des-Fossés, France.

Higher Education: Riga Technical University (Riga, Latvia).

Main Publication: 

• Les intégraphes. La courbe intégrale et ses applications, Paris, Gauthier-Villars, 1886.

Main inventions:

• Integraph
• Parabolagraph
• Spirograph
• Electric bell used in trains.