What does Kahn say about diversity?
Your question is unclear. If you are asking about Professor Jeffrey Kahn, the Robert Henry Levi and Ryda Hecht Levi Professor of Bioethics and Public Policy of Johns Hopkins Berman Institute of Bioethics, then there is no readily available connection between him and the concerns of diversity. His work is in several areas such as "ethical issues in leading edge biomedical technologies." If there is a different Kahn about whom you are asking, in your next question, please specify his full name, field of study and, if possible, his relevant article or book.