Logos-Sophia: The Journal of the Pittsburg State University Philosophical Society
This article-obituary concerning Thomas Wachter, includes an account of the character of Wachter's philosophical thinking and of his work in creating a logic crystal, a three dimensional lattice that represents the fundamental relations of implications for elementary logic.
Viney, Donald W., "Wachter's World: Thomas C. Wachter (1942-1995)" (1996). Faculty Submissions. Paper 14.