When studying and celebrating Black history, we often focus on learning about individual people. Yet, in most cases, when history is made, the critical work is done by groups who are organized. — To illustrate this point, let’s take a close look at the U.S. Supreme Court decision in 1954 for Oliver L. Brown, et al. v. the Board of Education of Topeka (KS), et al. case, which ended legal racial segregation in public schools. …