Who wrote the book exploring the rudiments of ballet titled an anthropologist looks at ballet as a form of ethnic dance?

Joann Kealiinohomoku

Explanation:

Joann was an educator and American anthropologist and founder of  research organisation known as Cross-Cultural dance resources. Joann also worked  as an assistant professor of Anthropology at Northern Arizona University and was designated professor emerita in 1987, she also wrote and edited numerous articles and books. . "An anthropologist looks at ballet as a form of ethnic dance " is her most famous work.