Google was founded in 1998 by Larry Page and Sergey Brin while they were Ph.D. students at Stanford University. The company started as a research project and has grown to become one of the world's largest technology companies, known for its search engine and various digital services. Yahoo was founded by Jerry Yang and David Filo, Oracle by Larry Ellison, and Sun Microsystems by Vinod Khosla, Andy Bechtolsheim, and Scott McNealy.