That would be Bob Pettit, the first winner of the NBA MVP award.
Considering that their are only 4 given out for the entire season (Rookie Challenge MVP, All-Star Game MVP, NBA MVP [for the season], and the NBA Finals MVP), the most prestigious would easily be the NBA MVP award.
Kobe Bryant won the MVP award in the 2007-08 NBA season
The 1987 NBA finals MVP award went to Earvin "Magic" Johnson of the Los Angeles Lakers. It was his third MVP award, having won the first two in 1980 and 1982.
Bob Petit of St.Louis Hawks was the first M.V.P in N.B.A history
The MVP award is given in early May. Lebron James received the award like on the 3rd.
NBA Finals MVP
Bob Pettit, a member of the St. Louis Hawks, won the first NBA MVP award back in the 1955-1956 season.
Kobe Bryant has 1 career MVP award.