This nytimes piece showed how an in house janitor at Kodak in the early 1980s moved up over time: https://www.nytimes.com/2017/09/03/upshot/to-understand-rising

This nytimes piece showed how an in house janitor at Kodak in the early 1980s moved up over time: https://www.nytimes.com/2017/09/03/upshot/to-understand-rising-inequality-consider-the-janitors-at-two-top-companies-then-and-now.html https://www.nytimes.com/2017/09/03/upshot/to-understand-risi...