Fans of Alan Rickman and the "Harry Potter" series alike were stunned this week by the news of the English actor’s death.

Those mourning the loss of Rickman will appreciate the poignancy in YouTube user kcawesome13’s video.

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The video puts all of Severus Snape’s most important scenes in chronological order.

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From scenes of Snape as a schoolboy to a Potions professor at Hogwarts, here’s a look back at one of the most complex and misunderstood characters of our time.