Who performed with 'at the burning bush god told him he was the god of abraham the god of isaac and the god of jacob'?

Based on the clue 'at the boring seance i observed that this is willi...', what is the answer? Based on the clue 'at the bottom of the encarta article on this devic...', what is the answer? Based on the clue 'at the bottom of the hour bet you wont miss my cha...', what is the answer? Based on the clue 'at the bottom of this disciplines medal you can se...', what is the answer? Based on the clue 'at the cabildo in new orleans you can see the deat...', what is the answer? Based on the clue 'at the california college named for john greenleaf...', what is the answer? Based on the clue 'at the california state fair a sign for these frie...', what is the answer? What is associated with: at the centennial exposition in 1876 he was on call to introduce his new telephone?