Short answers, pulled from the story.
Pranas Talzūnas performed the hook shot for the first time in an official game during Eurobasket 1937. He was a member of the Lithuania basketball team that won the championship.
George Mikan developed his devastating version of the hook shot while playing for DePaul University in the mid-1940s. This technique helped him become a dominant force in the NBA.
The name skyhook originated from team radio announcer Eddie Doucette stating that the hook came out of the sky. The resulting higher arc made the shot almost never blocked by opponents during his tenure with the Milwaukee Bucks.
Shaquille O'Neal executes the jump hook style by jumping off using two feet instead of taking steps then jumping off one foot. This method provides better balance and a quicker release compared to traditional forms.
Magic Johnson used a similar shooting technique called the baby hook during the 1987 NBA Finals. He named it in deference to teammate Abdul-Jabbar.