Robert Hogg and other researchers from NASA's JPL will be giving two free lectures on March 14 and 15 on the subject of "Autonomous Navigation for Urban Robots". The March 14th lecture is at the JPL von Karmen Auditorium in Pasadena. The March 15th lecture is at the Pasadena City College Forum. Both lectures start at 7pm. The Thursday lecture will also be available as a webcast and on NASA TV.