The achievement of Vasco da Gama’s grandson is clearly demonstrated in the work of Joseph Nicolas Delisle, to whom, in 1731, the Russian Academy of Sciences entrusted the task of mapping the North Pacific.

The achievement of Vasco da Gama’s grandson is clearly demonstrated in the work of Joseph Nicolas Delisle, to whom, in 1731, the Russian Academy of Sciences entrusted the task of mapping the North Pacific.