Coaches have come and gone throughout NBA history. Head coaches. Assistant coaches. Player-coaches.
While some have enjoyed success by winning championships or just guiding their teams to the postseason, others have failed miserably.
This slideshow will feature the NBA's 50 greatest coaches of all time.
To make this jam-packed list, the person doesn't have to own a career winning record or be a head coach. However, it is imperative that they have coached more than three years.
Well, with about further ado, here are the NBA's greatest coaches ever.