April 6, 1951

1951Bert Blyleven, Dutch-American baseball player and sportscaster^[†]

Rik Aalbert Blyleven is a Dutch-American former professional baseball pitcher and color commentator. He played 22 seasons in Major League Baseball (MLB) from 1970 to 1992, primarily with the Minnesota Twins, and from 1996 to 2020 was a color commentator for Minnesota Twins television broadcasts. Blyleven recorded 3,701 career strikeouts, the fifth-most in MLB history. He won 287 games, 27th-most all-time, and pitched 4,970 innings, 14th-most all-time. A renowned curveball pitcher, Blyleven was a two-time All-Star and World Series champion. In 2011, Blyleven was inducted into the Baseball Hall of Fame.

1951Jean-Marc Boivin, French skier, mountaineer, and pilot (died 1990)^[†]

Jean-Marc Boivin was a French mountaineer, extreme skier, hang glider and paraglider pilot, speleologist, BASE jumper, film maker and author. The holder of several altitude records for hang gliding and paragliding, the creator of numerous first ascents and first ski descents in the Alps, a member of the team that broke the record for a sub-glacial dive and the first person to paraglide from the summit of Mount Everest, Boivin was a pioneer of extreme sports. He died from injuries incurred after BASE jumping off Angel Falls in Venezuela, the highest waterfall in the world.