Michael Gelfond: Some thoughts on Logic, Declarative Programming, and Knowledge Representation (PDF). World Logic Day, talk at the University of Birmingham, January 2021
Michael Gelfond: On My Inheritance (PDF). ICLP 2019, Dinner talk, New Mexico State University, 2019
Michael Gelfond: Personal Perspective on the Development of Logic Programming Based KR languages (PDF). Lexington, Aug 2010