Abba Tor, The Engineer Who Made Eero Saarinen’s TWA Terminal Even Better, Has Died At 93

“‘Concrete is dumb,’ Mr. Tor said. … ‘It doesn’t know for whom it is being poured.’ Engineering necessity gave birth to one of the most inviting facets of the terminal’s undulating interior: ribbons of skylights along the joints that were opened among the four vaults. The skylights turn what might have been a heavy blanket into something luminous and billowy.”