1) Applied scientist 2) Dutch surname 3) Engineer 4) George washington goethals 5) Panama Canal builder 6) Technologist 
Goethals is a Dutch surname originating in Flanders. It seems to be derived from Goedaels, meaning `good ale`, and, equivalent to the English and German surnames Goodale and :de:Gutbier, would have referred to a brewer. People with the surname include: ...
[n] - United States army officer and engineer who supervised the construction of the Panama Canal (1858-1928)
1858–1928, U.S. major general and engineer: chief engineer of the Panama Canal 1907–14; governor of the Canal Zone 1914–16.