"Harry Potter" fans are left devastated after news broke out that Alan Rickman, who is also known as Professor Severus Snape passed away Jan. 14. Rickman died at the age of 69 after losing his battle with Cancer, as per BBC.

His death gathered millions of "Harry Potter" fans and united them though a tribute. Most of them gathered at the iconic Platform 9 ¾ at King's Cross station in London wherein they left notes, flowers and photographs to pay their tribute to their beloved Professor Snape.

A tribute was also held at the Wizarding World of Harry Potter wherein fans raised their wands in the air for Severus Snape as per Buzzfeed. The event was organized by Diversely Geek wherein they urged "Harry Potter" fans to meet up at the theme park for the tribute. The team posted their announcement on Facebook stating: "This world and his fandom has been left a legacy of kindness, humour, wit, joy, self-confidence, unconditional acceptance and pure positivity, Let's aspire to be as gentle as this giant and leave happiness and laughter as our legacies."

The "Harry Potter" author, J.K. Rowling posted her sentiments on Twitter stating: "There are no words to express how shocked and devastated I am to hear of Alan Rickman's death. My thoughts are with [Rickman's wife] Rima and the rest of Alan's family. We have all lost a great talent. They have lost part of their hearts."

While one of his "Harry Potter" co-stars, Daniel Radcliffe on the other hand posted a lengthy tribute which took social media by storm. As per Entertainment Weekly 's report Radcliffe narrated how Rickman continually encouraged him "on-set and in the years post-Potter." He also stated that Rickman would always make it a point to watch his stage performances in London and in New York even though he doesn't have to.

Radcliffe then ended his tribute with a heart-warming note which stated: "Working with him at such a formative age was incredibly important and I will carry the lessons he taught me for the rest of my life and career, film sets and theatre stages are all far poorer for the loss of this great actor and man."

The Wrap then came up with a list of Rickman's most iconic roles beyond "Harry Potter" such as his "Die Hard" character Hand Gruber. He also starred in "Love Actually" wherein he played the role of Harry, and Judge Turpin in "SweeneyTodd."