Characterized by his modesty, Joan Cadevall who “did not aspire that his name could one day appear next to those of Costa, Trèmols, Vayreda…, all worthy scientists; would have been satisfied that it appeared after them, at a respectful distance…”, as explained by Pius Font i Quer on the long obituary he dedicated to him, became one of the leading scientists of the late nineteenth and early twentieth centuries in Catalonia.

She was an open minded person who tried to improve the modern science introducing the newest advances.

Doctor and Professor of biochemistry at the Faculty of Medicine of the University of Barcelona. Carreras was one of the main drivers of biochemistry in Catalonia during the last 40 years. His teaching and research work was essential to restore the work of the Institute of Physiology, created by August Pi i Sunyer in 1921 and removed at the end of the Spanish Civil War in 1939. Born in Palamós, son of a family teachers, studied medicine at the University of Barcelona.

He studied the problems in some textile fibres and in 1913 he invented a machine for making cotton fibres that was a revolution in the cotton industry.

Professor Emeritus of the Universitat Autònoma de Barcelona, was the first woman admitted as a member of the Institut d´Estudis Catalans, Section of Biological Sciences (l978) and President of the Institució Catalana d´Història Natural (1980-81), affiliated Society of the Institut d’Estudis Catalans. She was also member of the Reial Acadèmia de Farmàcia de Catalunya.

He got his Ph.D. degree in the Universitat de Barcelona, where he worked as a teacher from 1950 until 1966. He was Professor of analytic chemistry at the Universidad de la Laguna (1967-1969) and in the Universtiat Autónoma de Barcelona (1969-1976); Professor of analytic and inorganic chemistry in the E.T.S. de Ingenieros Industriales de Barcelona (1969-1976); and Professor of analytic chemistry in the Universitat de Barcelona from 1976.

He undertook various studies of the cells of different types of wood and established new analytical procedures to determine a species through studying its wood. He published various studies on the topic which were considered innovative writings in the area of vegetal histology, something for which he was recognised by the Nobel prize winner Ramón y Cajal.

There are people who have made great scientific contributions throughout their career and there are others who have paved the way to make them possible. This is the case of Martina Castells Ballespí, who died at the age of thirty-one without being able to develop her professional career. But she was a pioneer, one of the first women to obtain a PhD. in medicine in Barcelona.

Dr. Josep Castells Guardiola was born in Barcelona on May 27, 1925, the son of the doctor Feliu Castells Farrarons and Josefina Guardiola Rosa. His father, apart from being a good doctor, was appointed doctor of the Barça first team during the term of President Rafael Llopart (1915-16). Josep Castells attended high school at the Balmes Institute and obtained a degree in Sciences, Chemistry Section, from the UB with Extraordinary Prize (1948).

He was Professor of mathematical analysis at the Escola d’Enginyers Industrials de Barcelona, where he was also the director from 1913 to 1932.