Waves can also be separated into transverse and longitudinal waves. In a transverse wave, the motion of the particles of the medium is at right angles (i.e., transverse) to the direction the wave moves.
The experiment's name comes from the Tuskegee Institute, the black university founded by Booker T. Washington. Its affiliated hospital lent the PHS its medical facilities for the study, and other predominantly black institutions as well as local black doctors also participated.
Tuskegee Institute was founded by Booker T. Washington in 1881 under a charter from the Alabama legislature for the purpose of training teachers in Alabama. Tuskegee's program provided students with both academic and vocational training.