See if you can guess what's going on here.
Hint: The man became famous (rather than infamous). Note also that he's wearing a sort of smock, rather than a suit. And the pocket has his intials on it. I'll leave the answer below the fold.
As reported by Vintage Gal:
Max Factor and his “scientific device” the Beauty Micrometer which detects defects in feminine beauty that are imperceptible to the naked eye. 1934