Leonardo da Vinci, Sigmund Freud, and fear of flying.
Scherr
A
A
D005239:Fear / Q000502:physiology / Q000523:psychology; D005619:Freudian Theory / Q000266:history; D049668:History, 15th Century; D049669:History, 16th Century; D049672:History, 19th Century; D049673:History, 20th Century; D011584:Psychology / Q000266:history; D011606:Psychosexual Development / Q000502:physiology; D046468:Sexual Development / Q000502:physiology; D019529:Sexuality / Q000208:ethnology / Q000266:history / Q000502:physiology / Q000523:psychology