Dr Karl Kruszelnicki just loves science to pieces, and has been spreading the word in print, on TV and radio, and online via social media for more than thirty years. The author of 47 books (and counting) Dr Karl is a lifetime student with degrees in physics and mathematics, biomedical engineering and medicine and surgery. Since 1995, Dr Karl has been the Julius Sumner Miller Fellow at the University of Sydney. In 2019 he was awarded the UNESCO Kalinga Prize for the Popularisation of Science.