Norman I. Platnick (May 16, 1951 – April 8, 2020) was an influential American arachnologist renowned for his extensive research on spiders. Born in New York City, he dedicated his career to the taxonomy and systematics of these arachnids, greatly expanding scientific understanding of spider diversity and classification. Throughout his life, Platnick contributed significantly to arachnology, earning recognition for his meticulous work and passion for the natural world.