[5] Johnson was made Herbert Kayser Professor of Science and Engineering at the City College of New York.
[6] The meeting, which was hosted at Fisk University, honoured Donald Anderson Edwards, John Hunter and Halston Eagleson.
[6] His legacy is recognised by the American Institute of Physics and NSBP, who, in 2021, established the Joseph A. Johnson III Award for Excellence.
[9] In 1988 he worked with Abdus Salam to host a meeting for African and African-American physicists at the International Centre for Theoretical Physics.
[6] A direct outcome of the meeting was the formation of the Edward Bouchet Abdus Salam Institute, which supports African doctoral researchers in attending graduate school in the United States.