Among other notable Ecuadorian scientists and engineers are Lieutenant Jose Rodriguez Lavandera, a pioneer who built the first submarine in Latin America in 1837; Reinaldo Espinosa Aguilar (1898–1950), a botanist and biologist of Andean flora; and José Aurelio Dueñas (1880–1961), a chemist and inventor of a method of textile serigraphy.
== Znanost ==Najpomembnejši ikoni v ekvadorski znanosti sta matematik in kartograf Pedro Vicente Maldonado, rojen leta v Riobambi leta 1707 in medicinski pionir Eugenio Espejo, rojen leta 1747 v Quitu.