v. 1. Abbas ibn Firnas-Philip Emeagwali -- v. 2. John Ericsson-Irving Langmuir -- v. 3. Lewis Howard Latimer-Charles Proteus Steinmetz -- v. 4. George Stephenson-Vladimir Zworykin. Indexes.
Summary
Provides in-depth critical essays on important men and women inventors of all time, from around the world.