Learn about Margaret Bourke-White, one of the many photographers for LIFE who captured some of the most iconic pictures from the US & around the World.
![Power house mechanic working on steam pump,1920, photo taken by Lewis Hine [colorized][713x1000]](https://i.pinimg.com/originals/6b/66/e3/6b66e3afd9635103002aee516c773090.jpg)
