Andrea diSessa is an education researcher who coauthored the book Turtle Geometry about Logo. He has also authored highly cited research papers on the epistemology of physics, educational experimentation, and constructivist analysis of knowledge, and the book Changing Minds: Computers, Learning, and Literacy (MIT Press, 2000). He also created the Boxer Programming Environment, with Hal Abelson of MIT.
^DiSessa, A. (1988), "Knowledge in pieces", in Forman, G.; Pufall, P., Constructivism in the Computer Age, Hillsdale, NJ: Erlbaum, pp. 49–70; Smith, John P., III; DiSessa, A.; Roschelle, J. (1994), "Misconceptions reconceived: a constructivist analysis of knowledge in transition", Journal of the Learning Sciences3 (2): 115–163, doi:10.1207/s15327809jls0302_1.