Leonardo da Vinci's Workshop: The Exibition Opens at the Ontario Science Centre. One of history’s greatest inventors and artists is featured in a new exhibition at the Ontario Science Centre. Leonardo da Vinci’s Workshop: The Exhibition, presented by Barilla Canada Inc., features unique models of Leonardo’s inventions, incredible technology that allows visitors to interact with his notebooks (codices) and digital versions of iconic pieces such as the Mona Lisa and The Last Supper. Opening Thursday, October 13 the exhibition makes its Canadian premiere.