This artist’s brother posed for portraits as Pierrot “laughing” and “running.” Twelve profiles of this artist and this artist’s brother Adrien were displayed in sequence to create two “revolving portraits.” Claude Monet used this artist’s studio at No. 35 to paint the Boulevard (15[1])des Capucines and to exhibit Impression, Sunrise. A stunt by this artist inspired the Belgian term for crowd-control barriers. Caricatures of many of this artist’s colleagues appear in giant lithographs that this artist termed his (*) “Pantheon.” This artist wired together Bunsen “batteries” as artificial lights to photograph the Paris catacombs. This artist’s top hat flies away in an Honoré Daumier cartoon that depicts him (-5[1])“elevating Photography to Art.” For 10 points, name this French photographer who used a hot air balloon to take aerial photographs of Paris and went by a one-word pseudonym. ■END■