For many, the news in December of the Food and Drug Administration’s approval of the COVID-19 vaccine developed by Pfizer was, understandably, cause for celebration. But it would mean a mobilization like the nation has not seen since World War II to get those doses to the American people. And that’s where people like Brad Dunn, ’08, and the family business in St. Louis where he is vice president, Cee Kay Supply, come in. Specializing in compressed gases such as oxygen and welding equipment, the 73-year-old company is also Missouri’s only manufacturer of solid carbon dioxide, or dry ice, which...