Yes, a hard man to track down. If you read Spanish, go to:
Aeroclub de Huelva > Aeroclub > Noticias. There is a centenary programme. A picture of the aircraft, and also one of the wreck, can be found in the programme.There is also an article at
Huelva Información, Noticias de Huelva y su Provincia. Google translator says that he made one nine-minute flight, the first at Huelva, and then, on his second flight, from a height of about 80 metres, he crashed and burned.
More can be found by Googling "georges leforestier"+aviation.