For nearly 50 years, chemical engineer and inventor Maria Telkes applied her prodigious intellect to harnessing the power of the sun, including designing and building the world's first successfully solar-heated modern residence. Along the way, she was undercut and thwarted by her male boss and colleagues at MIT, but persevered despite these obstacles, holding more than 20 patents upon her death.

Originally released by PBS, 2023. Streaming video file encoded with permission for digital streaming by Infobase on May 23, 2023.