<img src='https://i.cbc.ca/1.4643121.1525188478!/fileImage/httpImage/image.jpg_gen/derivatives/16x9_460/lewis-kay.jpg' alt='Lewis Kay' width='460' title='Lewis Kay, a professor of biochemistry at the University of Toronto and a senior scientist at the Hospital for Sick Children, has won the 2018 Herzberg Gold Medal, Canada’s top science prize.' height='259' /> Lewis Kay, a Toronto researcher who developed a technique to watch microscopic proteins reposition themselves and change their shapes within cells, has won the $1 million Herzberg Gold Medal, Canada’s top science prize.