Professor David R. Wallace, the lead teacher for 2.009, was the master of ceremonies for the final presentations which took place in a packed Kresge Auditorium. Ho Yin Au—The Tech May. 9, 2016 Facebook Twitter Reddit Print Professor David R. Wallace, the lead teacher for 2.009, was the master of ceremonies for the final presentations which took place in a packed Kresge Auditorium. Ho Yin Au—The Tech