Thomas Pynchon surely inaugurated or crystallized a new genre in 1963 when he published 'V.' The seriocomic mystery or thriller with one foot set in the present and one in various historical eras received its postmodern baptism from Pynchon.
Certainly the highest posthumous praise that can be conferred upon any writer is the assertion that his or her writing permanently altered the literary landscape for the better, opening new textual doors and engaging new readers. That the author's oeuvre was essential and irreplaceable and transformative.
Generally speaking, by the time a subculture such as steampunk secures the attention of major media, resulting in extensive coverage of the craze, said phenomenon is already on the way out.
Technically and logically speaking, actual Victorian science fiction writers cannot be dubbed 'steampunks.' Although they utilized many of the same tropes and touchstones employed later by twenty-first-century writers of steampunk, in their contemporary hands these devices represented state-of-the-art speculation.
It's certainly a cliche to remark that a nonfiction book 'reads just like a novel,' but in the case of Jonathan Eig's 'The Birth of the Pill,' I have no other recourse, since his narrative is full of larger-than-life characters sharply limned and embarked on fascinating doings, their story told in sprightly visual fashion.
The entire Internet, as well as the types of devices represented by the desktop computer, the laptop computer, the iPhone, the iPod, and the iPad, are a continuing inescapable embarrassment to science fiction, and an object lesson in the fallibility of genre writers and their vaunted predictive abilities.