Refer to the passage below and then answer the question afterwards in the same language as the passage:

Passage: In 2007, Leonid Hurwicz, together with Eric Maskin and Roger Myerson, was awarded the Nobel Prize in Economics "for having laid the foundations of mechanism design theory". Myerson's contributions include the notion of proper equilibrium, and an important graduate text: Game Theory, Analysis of Conflict. Hurwicz introduced and formalized the concept of incentive compatibility.

Question: Who introduce incentive compatibility?
Leonid Hurwicz, together with Eric Maskin and Roger Myerson