William Clouser Boyd was an American immunochemist. In the 1930s, with his wife Lyle, he made a worldwide survey of the distribution of blood types. https://en.wikipedia.org/wiki/William...William Clouser Boyd was an American immunochemist. In the 1930s, with his wife Lyle, he made a worldwide survey of the distribution of blood types. https://en.wikipedia.org/wiki/William......more