I have been thinking about superheroes lately and Iron Man seems to be the safest one. His suit allows him to practically be bulletproof.
In what fields did Tony Stark have to be an expert in to build the Iron Man suits (aside from being extremely rich and being an amazingly successful entrepreneur)?
Off the top of my head (and relating the answer to the films, rather than the comics) there were a number of fields in which Tony Stark demonstrated outstanding knowledge
Tony's arc reactor, the literal heart of the machine is a wonder of engineering, outputting a vast amount of electricity with no obvious source of fuel, potentially a form of fusion(?) and definitely containing plasma and magnetics.
Alongside this, he creates a workable augmented suit of armour, something that the finest minds at DARPA have struggled with for a generation
Let's not brush aside the fact that Tony's suit can fly on tiny little jets that have no evident source of fuel. The output from those much be absolutely fabulous to lift a suit weighing the best part of a metric ton
Oh, and the suit appears to have some sort of g-damping technology that allows him to slam into walls and not die.
The suit has built in weaponry including rockets, modified guns, heat-seeking trackers, etc etc. At the very minimum, Tony would have to have an expert knowledge in how to make, maintain and install these weapons in order to have not killed himself many times over
Tony's suit contains a realtime AI. An AI. Let's think about that for a second. A fully functional, turing-compliant Artificial Intelligence lives in the memory of his suit and can, apparently communicate with him in total realtime, organising his diary, arranging comms with third parties, planning routes, determining strategy and keeping an eye on radar.
Of all of his inventions, this one is the most epic.
The armour on the suit is, as you've pointed out, completely bulletproof and regularly takes hits from uber-powered weapons and energy beams. The fact that it doesn't even come off dented would suggest a knowledge of ultra-light, ultra-strong alloys.
Tony's suit appears to be able to read his mind, assess his health (in realtime) and provide medical assistance when required. At the very least, he must have a full working knowledge of Neuroscience, anatomy, physiology and trauma medicine in order to have accomplished the feats we see in the films.
In wikipedia, it says that Tony is an inventive genius whos expertise in the fields of mathematics, physics, chemistry, and computer science rivals that on Hank Pym, Bruce Banner, and Mister Fantastic, and his expertise in electrical and mechanical engineering surpasses even theirs. So ya. But that is for the comic-book Iron Man, so lets delve into the movie one. It says on the Marvel Cinematic Universe fandom that Tony has expertise in many fields of science, particularly physics, but also chemistry, computer science, and neuroscience, and is also a genius engineer and robotics technician. But i totally agree with that awnser above that got 22 votes. cool.
