Heckel was born in Toulon, studied pharmacy and medicine, and in 1861 visited the Caribbean and Australia.
In 1893 he founded the Colonial Institute and Museum of Marseille and creates a tropical pathology professorship at the medical school.
[1] In 1896, French botanist Jean Baptiste Louis Pierre named a genus of flowering plants (belonging to the family Meliaceae) from western central Tropical Africa, Heckeldora in his honour.
This project would be supported by Jules Charles-Roux, who would become the Commissioner General while Heckel was his deputy.
The exhibition was held at Parc Chanot in Marseille and was a great success from its opening on 14 April 1906 to its closure on 18 November 1906.