Roger B. (Roger Bradbury) Whitman

Born in New York in 1875, Roger B. Whitman wrote practical nonfiction for readers who wanted plain explanations instead of technical jargon. His books included Motor-Car Principles, Gas Engine Principles, Motor-Cycle Principles, and Tractor Principles, all aimed at helping people understand the mechanics behind modern machines.

Whitman also wrote for Scientific American, where his work reflected the same useful, problem-solving approach. Later, he brought that practical style into the home with The American Home Book of Heating, Plumbing, and Wiring, showing a range that stretched from engines and vehicles to everyday household systems.

He died in 1942. Alongside his published work, a collection of early aviation photographs associated with him is preserved by the Smithsonian, suggesting a wider interest in the technologies that were reshaping daily life in the early 1900s.