Bill Russell #6 (3rd left) of the Boston Celtics leaps leaps with arm outstretched to block a shot from an opponent during a game against the Los Angeles Lakers, Boston, 1960s.
Bill Russell (center) of the Boston Celtics leaps with the ball towards the net as he bounds past the defenses of the Cincinnati Royals, Boston Garden, Boston, Massachusetts, 1958.
Wilt Chamberlain (1936 - 1999) of the Philadelphia 76ers lies on the parquet floor of the Boston Garden with the ball during a game against the Celtics, Boston, Massachusetts, mid or late 1960s.
Bob Cousy #14 (third right) of the Boston Celtics attempts to make a pass behind his back during a game against the Los Angeles Lakers at Los Angeles Sports Arena, early 1960s.
Wayne Embry of the Cincinnati Royals leaps into the air and stretches out a hand to block a shot by Bob Cousy (ball in bhand) of the Boston Celtics, 1950s or early 1960s.
Bob Cousy #14 of the Boston Celtics shoots a free throw against the Cincinnati Royals as Tom Heinsohn #15 looks on during a game in the 1962-63 season at Boston Garden in Boston, Massachusetts.
Bill Russell #6 of the Boston Celtics dribbles as Bob Cousy #14 sets a screen and Tom Hawkins #21 of the Cincinnati Royals guards Tom Heinsohn #15 during a game in the 1962-63 season.
Bob Cousy #14 of the Boston Celtics warms up before a game against the Cincinnati Royals in the 1962-63 season at the Boston Garden in Boston, Massachusetts.
Bob Cousy #14 of the Boston Celtics shoots against Adrian Smith #10 of the Cincinnati Royals as Oscar Robertson #14 and Bill Russell #6 look on during a game, 1962-1963.
K.C. Jones #25 of the Boston Celtics looks to shoot as Frank Selvy #11 of the Los Angeles Lakers goes for the block as Tom Snaders #16 of the Celtics, Elgin Baylor #22 and Jerry West #44 of the Lakers look on, 1960s.
Elgin Baylor #22 of the Los Angeles Lakers goes up for the lay-up as his teammate Dick Barnett #5 looks on during the 1963 NBA Finals against the Boston Celtics.
Wilt Chamberlain #13 (1936 - 1999) (in dark jersey) of the Philadelphia 76ers is helped off the floor after being fouled during an NBA game against the Boston Celtics.