Margaret Morrison has been named to the 2015 entering class of Fellows of the Royal Society of Canada. Margaret Morrison is an internationally recognized scholar in the philosophy of science. Her papers and books on various aspects of modelling in the physical and biological sciences have been responsible for transforming the way scholars analyse issues related to model construction and evaluation. Her work on theory unification in physics has had a similar impact, calling attention to the role unified theories play in shaping our understanding of the physical world.