Covers 177 Hispanic-American physical and social scientists, mathematicians, and inventors. This volume includes profiles of Latino economists, chemists, pharmacologists, doctors, biologists, astronauts, sociologists, engineers, and individuals in numerous other fields.

A bibliography directs the reader to sources for further information about Latino Americans in general, as well as those in the fields of science, math, and other professions. One subject index divides entries by area of expertise such as biotechnology and statistics, and additional indexes organize subjects by their year of birth and by their ethnicity or country of origin. This volume is enhanced throughout with many black-and-white photographs of the individuals profiled.