Francisco de Paula Bicalho, Brazilian civil engineer (São João del Rei, Minas Gerais State 18 July 1847 – Petropolis, Rio de Janeiro State 18 November 1919)

With Aarão Reis designed and built Belo Horizonte city (1883-97)

Headed the works that improved Rio de Janeiro harbor (1904-10)

Managed the works of Rio Grande inlet (1909-15), recognized as the one of world’s most notable works in hydraulic engineering

A Barra e o Porto de Rio Grande – uma vitória da engenharia brasileira. Pedro C. Da Silva Telles. Rev. Mar. Braz. p.117-22, 2001 (in Portuguese)

Due to these works related above gained fame abroad as a harbor engineer

His brother, Honório Bicalho, civil engineer (Ouro Preto, Minas Gerais State 04 February 1839 – Rio de Janeiro 05 May 1886)

With Pereira Passos traced the railway at Mantiqueira mountain range (1875-81)

Proposed two piers at each side of the Rio Grande inlet improving a suggestion of English engineer John Hawkshaw

Relatório sobre o melhoramento da Barra do Rio Grande (1883)  

Proposed an intermediate type of gauge, a narrow gauge with larger radius curves and / or a narrow gauge railway with gentle curves

Estudos sobre a largura das estradas de ferro e a resistência dos trens (1876)

Proposed a new formula for broad gauge train resistance

Resistência dos trens. II. Fórmula nova da resistência dos trens em bitola larga. Rev. Estradas de Ferro (1886)