Hidden Heroes brings to light the straggles and triumphs of key figures whose stories have been lost in time. Discover whose calculations launched the US space ships. Learn whose pen brought down art oil empire. Explore whose heroic flights helped win World War II. Activists, journalists, mathematicians, pilots, and even baseball players all had an impact on society. Their names may not be well known today, but their contributions still resonate. Uncover their lives and legacies in Hidden Heroes.