Obituary: Tomonari Kaji (1982–2019), evolutionary morphologist extraordinaire

Dr. Tomonari Kaji, an exceptional young evolutionary morphologist at the University of Alberta, passed away unexpectedly in May of this year. His passion for the study of developmental and evolutionary transformations yielded a succession of intriguing papers about how spectacular morphological innovations develop or evolved, including such remarkable structures as crustacean suction cups, squirting heads in termite soldiers, envenomating...