Jeff Bezos-led Blue Origin Launches World's First Space Flight With Wheelchair User Jeff Bezos’ aerospace company Blue Origin marked a historic milestone on Saturday by launching the first wheelchair user above the Kármán line, the internationally recognised boundary of space. Michaela Benthaus, a German aerospace engineer with the European Space Agency, sustained a spinal cord injury in a mountain biking accident in 2018 and has since become an advocate for accessible space travel. #Wheelchair