Nicholas Patrick Toth is an American archaeologist and paleoanthropologist. He is a Professor in the Cognitive Science Program at Indiana University and is a founder and co-director of the Stone Age Institute. Toth's archaeological and experimental research has focused on the stone tool technology of Early Stone Age hominins who produced Oldowan and Acheulean artifacts which have been discovered across Africa, Asia, the Middle East, and Europe. He is best known for his experimental work, with Kathy Schick, including their work with the bonobo Kanzi who they taught to make and use simple stone tools similar to those made by our Early Stone Age ancestors.

Kathy Diane Schick is an American archaeologist and paleoanthropologist. She is professor emeritus in the Cognitive Science Program at Indiana University and is a founder and co-director of the Stone Age Institute. Schick is most well known for her experimental work in taphonomy as well as her experimental work, with Nicholas Toth, on the stone tool technology of Early Stone Age hominins, including their work with the bonobo Kanzi who they taught to make and use simple stone tools similar to those made by our Early Stone Age ancestors.