ISS021-E-016230 (28 Oct. 2009) --- European Space Agency astronaut Frank De Winne (right), Expedition 21 commander; along with Canadian Space Agency astronaut Robert Thirsk (bottom right), NASA astronauts Jeffrey Williams and Nicole Stott, all flight engineers, are pictured during an educational event set up by the Canadian Space Agency for the Minister of Education at Mount St. Vincent University in Halifax, Nova Scotia, Canada, with approximately 100 students, teachers, parents and province schools participating virtually throughout Nova Scotia.