Ollivander knew every wand he ever sold. Most people from his generation knew Voldemort's true identity. read more
” ~Harry Potter and the Half Blood Prince - Chapter 20 : Lord Voldemort's Request. Tom Riddle then had no restrains (re)introducing himself as Lord Voldemort, but if someone did identity him as Tom Riddle, he didn't deny it: Voldemort did not answer at once, but merely sipped his wine. read more