Hubert J. P. Schoemaker, founder and former president of Centocor, died on Jan. 1. Mr. Schoemaker helped start Centocor, which was acquired by Johnson & Johnson. He also mentored other biotechnology entrepreneurs in the Philadelphia area. “He was able to energize people and translate sometimes very complex science into a very understandable business equation,” said David P. Holveck, who succeeded Mr. Schoemaker as chief executive of Centocor and is now an executive at J&...