research about the four major sex researchers and their contributions in the field of sex research. Based on your research,  includes answers to the following 5 questions.Cite any sources in APA format. No plagerism, 4 page

• Who were the four major sex researchers?
• Which theories are they known for? Explain the theories.
• How have they contributed in and advanced the field of sex research?
• Do you think they were addressing the most fundamental questions about sex and sexuality through their research?
• Do you think the fundamental questions have changed with changing times and can these theories be extended to accommodate changing sexual behavior?