On February 19th Mr. Brian Wolfe, PE, TEC Services Principal Petrographer and Engineer gave a guest lecture for the Infrastructure Rehabilitation Course (CEE4540) at the Georgia Institute of Technology (Georgia Tech). The lecture presented the basics of concrete petrography and the effectiveness of the technique in evaluating existing structures. Many example projects were reviewed in which petrography was an essential tool in determining the cause and solution to the concrete deterioration. The lecture also presented experience based advice on where things can go wrong. These were noted as essential items to commit to memory for aspiring structural engineers. Many students remained after class to discuss additional interesting example projects, and surprisingly for the 8:00 AM class only one student fell asleep.