Metropolis

MetropolisThis city of the future encompasses two worlds: that of the hedonistic ruling class and that of a segregated subculture, toilers in a mechanized underworld who labor to provide the rich with their pleasures. When a charismatic leader arises, she seeks a savior to unite the disparate social orders. "Between the brain that plans and the hands that build," she declares, "there must be a mediatorthe heart." Thea von Harbou, creator of the screenplay for

" — Terry Real

prepared by Breitkopf & Härtel of Leipzig

and former columnist for Scientific American's "Mathematical Games" section

" —Seafarer

the Dirichlet problem

night-black planet

During the 1880s and 1890s

In a groundbreaking study — the first to shed light on the purpose

brushwork techniques

Republication of the Milan

and so much more

and curious panaceas which at one time or another have masqueraded as science