Antonio Abraham Zinny was an Argentine lawyer, journalist and historian originally from Gibraltar.
He was especially prominent as a popular historian of Argentina in the first half of the twentieth century and of the Governors of Argentine Provinces,
the first serious attempt to chronicle the history of the provinces of Argentina.
Wikipedia https://en.wikipedia.org/wiki/Antonio_Zinny
Coordinates -34°35'13.618" N -58°23'32.661" E
