I didn’t know that David Hockney was a photographer. Actually after seeing some of his photography I suspect that he is, like many other contemporary photographers, less of a photographer than an artist who sometimes uses photography in his works.
David Hockney is a great painter,but he has also known fame through photography, although he does not mince his words when he says ‘Photography will never equal painting!’
Source: David Hockney – Photography will never equal painting! | Photography and Music
Below he talks a little about lost knowledge and photography.