Question: Who died earlier, Egor Popov or Eugène Grébaut?
Sentence (from "Egor Popov"): Some of his accomplishments include: working with buckling problems for NASA in Houston, Texas, involvement with the San Francisco – Oakland Bay Bridge, assisting with pipe testing for the Trans- Alaskan Pipeline, developing the Steel Moment Resisting Frame( resistance to earthquake forces), and eccentrically braced frames( ebf's).
Relevant evidence: No