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Inventors of the Year 2017
The pioneering days of the first MRI systems were exciting times for Markus Vester of Siemens Healthineers, and he has retained his passion for invention throughout his career. Most of his patents are connected with transmitting/receiving units in MRI scanners.
The advent of the Symphony system, to which Vester contributed a high-frequency power amplifier as transmitter, marked the breakthrough for Siemens on the world market. Vester developed a transmitter suitable for both field strengths – one equipped with low-cost, mass-produced transistors to replace the previous tube amplifiers. "With the technology of the time, it was only possible to generate a maximum of five MHz, but we needed 63 MHz." Using an array of tricks, Vester finally managed to solve the problem, also improving several other components at the same time. His work set new standards, and patents were filed for all the inventions. Up to this day, Vester still keeps one of the prototypes in his desk drawer.
I was part of a group of young people at the start of their careers, and setting out on an exciting pioneering journey. Despite all the intervening years, my enthusiasm hasn't waned in the slightest.