“The surest way to becoming a doctor in the 1840s? Start calling yourself ‘Doctor.’ Indeed, one of the most famous ‘doctors’ of the nineteenth century, the man who made a fortune selling patent medicine, was Lucius S. Comstock of New York. His credentials consisted entirely of having pasted ‘M.D.’ to the end of his name. Later, for good measure, Comstock threw in a bogus law degree, too.” – Julia Keller, Mr. Gatling’s Terrible Marvel