> ## Content Index
> Fetch the complete content index at: https://www.cascadepbs.org/llms.txt
> Use this file to discover other available public pages before exploring further.

# Science Pioneers
- URL: https://www.cascadepbs.org/show/finding-your-roots/episode/science-pioneers-4oq96n/
- Published: 2024-04-02T23:11:31.000Z
- Updated: 2025-10-29T07:32:51.000Z
- Description: Francis Collins, Shirley Ann Jackson, and Harold E. Varmus learn their family histories.
- Author: Cascade PBS Staff
- Tags: Finding Your Roots, Season 6, Episode 7, #ZZZ_Episode_acaaa41c-e59a-4f8b-9549-047eee37661a, #episode, #ZZZ_Show_855aaf88-37bb-4949-872a-c4646a613145, #v1.16

Henry Louis Gates, Jr. traces the family trees of Francis Collins, Shirley Ann Jackson, and Harold E. Varmus — three pioneering scientists who’ve made dramatic contributions to our understanding of the world, all the while knowing little about their own ancestry.