 He accompanied Ferdinand Marie de Lesseps and István Türr in an early international expedition in 1876 with the task to locate the most suitable route of an interoceanic canal.He proposed an area between Panama and Colón.After István Türr was granted permission by the Greek government to revive the long abandoned idea works of cutting through of the Corinthian Isthmus (it was Emperor Nero who first attempted this in 68 AD).