What was the name of the lawsuit before the Supreme Court that overturned Plessy v. Ferguson?

The NAACP led the fight against “separate but equal” accommodations and segregated schools.  What was the name of the lawsuit before the Supreme Court that overturned Plessy v. Ferguson?

Who was the NAACP’s lead lawyer in this 1954 case?

What did President Johnson do to this lawyer in 1967?

What is the name of the magazine published by the NAACP?

Is this website from the NAACP an example of a primary or secondary historical resource?   Explain your answer in 4-6 sentences (5 points) http://www.thecrisismagazine.com/pdf/oct1963issue.pdf

Why is there an article about W.E.B. DuBois in the referenced document?