Views: 1,477 Dr Michiaki Takahashi’s 94th Birthday : Google Doodle Celebrates Dr Michiaki Takahashi Birthday Michiaki Takahashi (Takahashi Michiaki, 1928 – December 16, 2013) was a Japanese virologist, known for having attenuated the varicella zoster virus to produce the … Continue reading Dr Michiaki Takahashi’s 94th Birthday : Google Doodle Celebrates Dr Michiaki Takahashi Birthday