She would work out with me, work endlessly, go to all of Anje's doctor appointments and take care of everything at home.

CNN: It's more than a race to me

Everything changed last fall when Nikki's doctor, Francine Kaufman of Children's Hospital Los Angeles, put her on an experimental device called Exubera, which lets her breathe insulin into her lungs.

FORBES: Waiting to Inhale

In addition to trains, the auction includes a mind-boggling catalog labeled "art and automobilia" that offers everything from a mint condition pedal car version of a 1923 Packard Deluxe Doctor's Coupe to a 1929 erector set designed to make a model zeppelin.

FORBES: Magazine Article

And nor is he against everything Western: he is a fan of Sherlock Holmes (a character created by another former doctor, Arthur Conan Doyle) and his talent for making deductions from small observations.

ECONOMIST: The exotic doctor calls it a day