The battle-scene hide painting from the North Dakota Mandan Native Americans was collected by

Sometimes, musical theatre composers were not trained in music, not even able to read music, including which of the following composers?

a. Irving Berlin b. Cole Porter c. Victor Herbert d. George Gershwin e. All of the above

Louis-Jacques-Mandé Daguerre was unable to include people in his photographs, because in his time

mineral salts were required in the process. mercury vapor was required in the process. exposure times were very long. photographs were made on metal plates.