Who is Edward T. Hall from The Hidden Dimension and what is their importance?

Edward Hall is probably the most prominent anthropologist of the twentieth century. Holding a doctorate in anthropology from Columbia University, Hall has been a university professor and researcher, as well as a consultant for local state and national governments. Hall's area of study has related to man's interrelationship with his environment and fellow species members, focusing primarily on how language and senses are used in these activities.