Material from Mr. Lankenau’s time at Gallaudet, both as a student and later as a member of the Gallaudet community. Includes emails from Gallaudet staff and administration; a certificate for his sports letter; Kappa Gamma membership certificates for himself and Robert Sampon; two early volumes of the Tower Clock yearbook; and programs from plays and shows that Mr. Lankenau was a part of, among other things. For more on the last, see series 20.