Sergio Valle Marques de Souza, Brazilian civil engineer (Rio de Janeiro 11 August 1918 – 07 August 2002)

Devised apparatuses for design and building of great works

Designed the world’s biggest span with prestressed straight girder of its day in Estreito bridge over Tocantins River (1960)

Developed a new mounting system employed in Amizade Bridge, Foz do Iguaçu and presented an innovative solution for metallic shuttering in the same building 

Vice-president, IASBE (International Association for Bridge and Structural Engineering) 1979-1987