Marc Rochkind has a long and successful career with roots in computing history for his work on UNIX during his time at Bell Labs from 1970 to 1982. During that time he invented the Source Code Control System, the forerunner of all modern source-control systems. Marc is a successful author, notably for his book Advanced UNIX Programming that covers programming the UNIX kernel. More recently, Marc has spent time developing a number of projects in PHP running against databases such as Oracle Database and MySQL. Marc has an MS in Computer Science from Rutgers. He writes books and develops iOS, MacOS, and Windows apps that you can learn more about by visiting http: //basepath.com.