Signature size and narcissism − a psychologist explains a long-ago discovery that helped establish the link
- Written by Richie Zweigenhaft, Emeritus Professor of Psychology, Guilford College
'I love my signature, I really do,' President Donald Trump said on Sept. 30, 2025. 'Everyone loves my signature.'Yoan Valat, Pool photo via APFor years, Donald Trump’s distinctive, large and bold signature has captured the public’s attention. Not only did it recently come to light that his signature appeared in a book that Jeffrey...










