Gary Chapman
Dr David Burns
Manuel J. Smith
Paul Kalanithi
Harold S. Kushner
Harold Kushner
Susan Spencer
Rakesh Godhwani
Anita Moorjani
Ray D. Strand
Susan Coolidge
Randall Munroe
Oprah Winfrey
Eric Berne
Chetna Maroo
Jim Clifton , Jim Harter
Jacob F. Field
George Ilian