HAPPY BIRTHDAY PROFESSOR YIP!

  Group photo taken during Prof. Yip's 70th birthday reception.

  Prof. Yip accepts a gift during the technical symposium.

  Prof. Yip blows out the candles on his cake during the birthday reception.

  Prof. Yip thanks the organizing committee for their work in putting together the birthday celebration.
Left to Right: Xi Lin, Clemens Foerst,Wei Cai, Prof. Yip, Ju Li, Krystyn Van Vliet, and Ting Zhu