You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Ether was first used as an anaesthetic by? and explain in detail?
ANSWER: (B) MortonREF: http://en.wikipedia.org/wiki/William_T_G_MortonWilliam Thomas Green Morton (August 9, 1819 - July 15, 1868) was an American dentist who first publicly demonstrated the use of inhaled ether as a surgical anaesthetic in 1846