Who is Patrick McGreevy and What Is Essential for Living®?

Dr. Patrick McGreevy, a renowned figure in the field of applied behavior analysis, has a rich history that spans over five decades. His journey began in the late 1960s when he stepped into a public-school classroom as a teacher of children with developmental and intellectual disabilities. The materials provided to him and the teaching procedures to which he was exposed in graduate school seemed inadequate for these children, which led him to seek out more functional materials and more effective teaching procedures.

This marked the beginning of his lifelong dedication to improving the lives of individuals with moderate-to-severe disabilities through applied behavior analysis and precision teaching. I had the pleasure of being one of his graduate students at the Florida Institute of Technology and remain connected to him to this day.

Who Is Patrick McGreevy?

In the early part of his career as a teacher and behavior...