In case you misplaced it, the list of influential figures from African-American history can be found here: Socials Black History list of figures for research
Note the addition of two figures in the “Sciences” category.
Remember that this is not in any way a definitive list. If you have strong feelings about getting to know someone who is not on this list, make your case to me.
Also, please remember to spend time exploring some of the lesser known names on this list. All of these people have amazing stories to tell.