Carlos Justiniano Ribeiro Chagas, or Carlos Chagas was a Brazilian sanitary physician, scientist, and bacteriologist, who worked as a clinician and researcher.

Carlos Chimal narrates in The Color Factory the life of the mexican inventor Guillermo Gonzlez Camarena, who designed one of the first color transmition systems for television. In the chapters I and II he immerses the reader on the family, social and technologic background that nurture his interest for electricity and electronics at an early age; while in the next three chapters he presents the major technologic developments that gave him worldwide fame, as well as the role he played in the development of broadcasting in Mexico. Finally, the epilogue of this book relives his tragic dead, at 48 years of age, in a car accident.

En este libro encontramos la historia apasionante de Jos Antonio Balseiro (1919, Mendoza, Argentina), un hombre entregado a su vocaci n cient fica que busc con af n alcanzar sus metas y que trabaj , incluso cuando las circunstancias no eran las m s favorables, hasta lograr un aporte de gran valor. Es tambi n una narraci n de primera mano de la evoluci n de la f sica del siglo XX.

Oswaldo Gonçalves Cruz, better known as Oswaldo Cruz, was a Brazilian physician, pioneer bacteriologist, epidemiologist and public health officer and the founder of the Oswaldo Cruz Institute