About
Engineer and inventor who became famous for further developing the mechanical pencil and created the first solid-ink fountain pen.
Before Fame
He graduated from the Dresden University of Technology in 1898.
Trivia
He had 80 patents, and was responsible for constructing the first Croatian two-seat airplane.
Family Life
He moved with his wife and children to Zagreb after earning his Ph.D. in Organic Chemistry.
Associated With
He was an inventor similar to Hiram Maxim.
