Yes,they do have. Many scientists did have: Well,I am obsessed for Quantum Physics,so let me take examples of scientists who are usual suspects of Quantum Mechanics: 1. RICHARD FEYNMAN AND ARLINE GREENBAUM 2. NIELS BOHR AND ELLEN 3. ... read more
Then there is good probability that they have one or more! Joking aside, what I can gather from Albert Einstein's affairs! read more