1909. 317p. by Percy H Epler. 

"Master Minds" explores the pivotal moments and innovations of influential figures in American history, highlighting their contributions to society and the challenges they faced. The narrative includes the life of General Artemas Ward, the first commander-in-chief of the American Revolution, and the impact of inventions like Eli Whitney's cotton gin and Elias Howe's sewing machine. Through these stories, the book illustrates the intersection of personal ambition, societal change, and historical events that shaped the nation.