Professor David R. Wallace PhD ’95 welcomes the Silver Team, which developed a sushi-ferrying robot, to the stage at 2.009 presentations yesterday. The course required students to design and build a solution to an issue related to food. Sam Range—The Tech May. 9, 2016 Facebook Twitter Reddit Print Professor David R. Wallace PhD ’95 welcomes the Silver Team, which developed a sushi-ferrying robot, to the stage at 2.009 presentations yesterday. The course required students to design and build a solution to an issue related to food. Sam Range—The Tech