Nicolas G. Hayek, Roberta Bondar, Tom Stafford Nicolas G. Hayek, center, chairman and CEO of SMH/Swatch, the Swiss watch company, converses with Canadian astronaut Roberta Bondar, left, at the United Nations, during the fourth and final session of the Preparatory Committee of the U.N. Conference on Environment and Development, in New York. UNCED has organized the Earth Summit event in Rio de Janeiro from June 1 through 12. U.S. astronaut Tom Stafford is in background at right