Forgotten Legends73: Karl Gotch
Born in Germany in 1924 as Karl Istaz, he took the name of one of the four Gods of wrestling, Frank Gotch and went on to become a God of wrestling in Japan for his influence and contribution to Japanese wrestling.
He had a strong Greco-roman foundation before starting out and going on to participate in Olympics also learning Pehlwani where he brought out the calisthenics base which he made famous. He went out on to snake pit for training which was as infamous as Hart's dungeon then if not more before coming to US in 1959, three years after his debut.
He quickly captured Ohio version of AWA world title holding it for two years dropping it to Lou Thesz whom he immensely respected which stemmed from actual wrestling ability that both shared.
He had an infamous encounter with Buddy Rogers who was legit afraid of good wrestlers for their ability to shoot on his matches. He was refused a match for NWA title by Rogers which ended in a tussle where he broke Rogers hand which ruined his chances in US. After a brief run in WWWF winning the tag titles, he left for Japan.
He joined NJPW, fought against Inoki and set trends with his no nonsense athletic wrestling style which he taught Inoki and many others in Japan modifying the wrestling style there; less on entertainment, more on technique called Strong Style.
He won a world championship there as well as trained a host of wrestlers in next generation becoming revered.
In US, his only contribution unknown and often used is the German Suplex he created, made famous by Chris Benoit.