Who discovered the photography invented by Daguerre?

Arago. On August 1839 and 19, arago gathered academicians of the Academy of Sciences and foreign scholars, and solemnly announced the invention of photography in the packed hall of the French Academy of Sciences and the French Academy of Arts. The name is "Daguerre Method Photography". Because of arago's insight into pearls, he keenly discovered the importance of the inventions made by Nipps and Daguerre, and actively promoted and assisted them, making photography quickly recognized all over the world. In recognition of arago's contribution, after his death, the French government named a boulevard in the Paris 13 area "arago Street" and built a monument for him.