Oswald Veblen was a renowned American mathematician who made important contributions to topology and geometry. He was a key player in the development of the world-renowned Institute for Advanced Study at Princeton University, where he worked alongside other brilliant minds like Albert Einstein and John von Neumann. Veblen's work focused on the study of geometric objects and their properties, and his deep insights into the nature of space have earned him a place in the annals of mathematical history. Some synonyms for Oswald Veblen might include "topologist," "geometer," "mathematical pioneer," or "Institute for Advanced Study luminary".