Prof. Haskel van Manderpootz
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Real Name

Haskel van Manderpootz

First Appearance

"The Worlds of If" (1935)

Created by

Stanley G. Weinbaum

Prof. Haskel Van Manderpootz is a character created by Stanley G. Weinbaum and appearing in three science fiction stories: "The Worlds of If" (1935), "The Ideal" (1935) and "The Point of View" (1936). All three were published in the American sci-fi magazine, Wonder Stories.


According to the protagonist and narrator, Dixon Wells, Prof. Haskel van Manderpootz is one of the greatest scientific minds of his time. According to van Manderpootz himself, he is the greatest. In any case, he is a scientific genius and head of the Department of Newer Physics (i.e. Relativity) at New York University. He inhabits a futuristic 21st century (one of the stories explicitly taking place in 2015) and is mostly well known for being eccentric, easily irritable, and supremely immodest, often comparing himself to the great geniuses of the past, and claiming his intellect to be equal or superior to the likes of Roger Bacon, William de Sitter or Albert Einstein. For his contemporaries, he has nothing but contempt.


His physical appearance hasn't been described in detail. It's known that he has "stubby whiskers" and blue eyes. He has been described as having a "broad red face" and Wells once noted that he was always so red it was impossible to notice if he was blushing.


As noted above, van Manderpootz's opinion of himself is quite flattering, to say the least. He once commissioned a bust of himself from a sculptor named Gogli and intended to donate it either to the city or to the university. He also seems to be quite impulsive, often giving up projects in the midst of them to work on some new idea, and casually dismantling old inventions to make room for new ones. He usually speaks of himself in the third person and doesn't allow himself to be interrupted.

In spite of this, he does have a warm heart and cares a great deal for his ex-student, Dixon Wells, despite considering him something of an imbecile at times. This impression might even be justified to some degree, as despite Wells being smart and competent, he doesn't come across as particularly responsible, being infamously "always late" and also something of a playboy type who loves golf and chorus girls.

Scientific Career


Van Manderpootz's inventions include most notably:

  • The subjunctivisor, which allows one to see "what could have been" scenarios (basically parallel worlds, but limited to the possibilities contained within the user's life experience; i.e. one wouldn't be able to see a world where they've never been born or where the divergence from our timeline had nothing to do with the user's own life and choices).
  • The idealizator, which allows one to see the most "ideal form" of something to them, for instance in Wells' case, his "ideal woman".
  • The attitudinizor, which allows one to see the world from the point of view of another individual.

Each of these machines has been tested by van Manderpootz's friend and former student Dixon Wells, and in each case the experience ended badly for Dixon, as he ended up falling in love with a woman who was completely inaccessible to him for one reason or another. In each case, something else is discovered which makes it seem like she may not be so inaccessible at all, but at the time Dixon finds out she is already committed to someone else, thus continuing the ongoing joke of Dixon being always "too late" for everything.

Besides the above-mentioned machines, van Manderpootz has also projected a "predatory machine": a huge robot which would act as a predator, attacking cars and sucking out their gasoline to power itself. That machine was never constructed, though, only a tiny prototype was built. Van Manderpootz also considered giving the robot intelligence, but ultimately concluded that the idea would be superfluous, as the world wouldn't need an artificial brain when it already has a brain like van Manderpootz's.

Scientific Discoveries

Van Manderpootz's scientific discoveries are indeed quite revolutionary. He has proven that just like matter and energy are composed of indivisible units; so are time, space and thought. He has named the fundamental time particle the "chronon", and the fundamental space particle the "spation". Both of these exist immersed in an even more fundamental matrix made of what he named "cosmons". Finally, but not least important, he has discovered the fundamental particles of thought, these being named "psychons".

According to Van Manderpootz, this theory should allow the construction of machines that could convert anything into anything else: matter into time, energy into space, space into thought, etc. It is based on these principles that his idealizator is built, which converts psychons to light, allowing thoughts to be shown in their ideal form. The attitudinizor, meanwhile, works the other way around by converting light to psychons.

For his contributions to science, van Manderpootz has won the Morell physics award at least six times, the last of which was for the discovery of the psychon.

On a side note, he considers the concept of a "time machine" an impossibility, because it would require an impractical amount of energy to travel even a few seconds to the future, and an infinite amount to travel to the past.

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