Terrades i Illa, EsteveBarcelona 1883 - Madrid 1950. Mathematician, engineer.
He studied in Charlottenburg (Berlin), Barcelona and Madrid. He got his Ph.D. degree in physics and he was teacher at the universities of Zaragoza, Barcelona and Madrid. He specialised in physics-mathematics sciences and published several essays about these matters including "Emisión de radiaciones por cuerpos fijos o en movimiento", read in the Acadèmia de Ciències i Arts de Barcelona in 1909. He published some works in "Revista de la Academia de Ciencias", Madrid, and in the bulletin of Institut de Ciències de Barcelona.
He was member of the Institut d'Estudis Catalans since 1911. He also collaborate with Colección Minerva, where he published El Radi. In 1919 was the founder and director of Institut d'Electricitat i Mecànica Aplicades, he also was teacher of Escola del Treball. As he was very interested in the theory of relativity he invited to Barcelona physics like Levi-Civita or Albert Einstein, and others. He directed a scientific compilation of essays edited for the Institut d'Estudis Catalans as part of "Courses in physics and mathematics" in which several authors participated: J.Palacios, J.Rey Pastor, Hadamard,... He directed the construction works of several railway lines in Catalunya. He directed Compañía Telefónica Nacional de España and was a member of CSIC. He got the novel professorship of differential equations in Madrid.
- Els elements discrets de la matèria i la radiació (1910)
- Corrientes marinas (1941)
- Neologismos, arcaísmos en plática de ingenieros (1946)