You're probably thinking of Roberto Clemente, who was definitely the first foreign-born Hispanic elected, but some earlier Hall-of-Famers may have also been Hispanic, but kept it a secret.
Roberto clemente
Jackie Robinson
In MLB, that was Frank Robinson who was named player/manager of the Cleveland Indians in 1975.
In 1939 the US Issued a stamp picturing kids playing baseball on a sandlot. Thirty years later a batter was pictured on a stamp honoring professional baseball. In 1982, Jackie Robinson was pictured and named on a postage stamp.
1947. The Sporting News named one Rookie of the Year for both leagues in that season. Robinson was named ROY for the entire majors and not just the National League.
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Roberto clemente
In 2011, Polo was honored with the Mickey Leland Humanitarian Achievement Award, honoring individuals and organizations affiliated with the communications industry who demonstrate a humanitarian commitment. The same year, Polo was named the first Hispanic ambassador for "Stand Up To Cancer."
Roberto Duran.
Jackie Robinson
It's very likely, since Jesus is a common Hispanic name.
George Washington carver
The popular Hispanic dance routine named after egg beater motion is called merengue it can trace its meaning from the movement on the dance floor that could remind one of an egg beater in action
Errol Barrow was the first Prime Minister of Barbados, as well as a Caribbean statesman. Barrow only had one sibling. It was a sister named Dame Nita Barrow who was a humanitarian, social activist and Governor General of Barbados.
The first aluminum baseball bat was created in the year 1924. The inventor of the bat was named William Shroyer.
Sir Francis Taco made the first taco and named it after himself
Luciano Pavarotti's sister was named Lella. Pavarotti was known for his amazing tenor voice and his huge personality. He was also a humanitarian.