Leslie Cheung biography according to Wikipedia,

Leslie Cheung Kwok-Wing (12 September 1956 – 1 April 2003), nicknamed Gor Gor (哥哥), which means elder brother, was a  Hong Kong film actor and musician. Cheung was considered as “one of the founding fathers of  Cantopop,” and “combining a hugely successful film and music career”.

In 2000, Cheung was named Asian Biggest Superstar by China Central Television, and voted/ranked the 1st as The Most Favorite Actor in 100 Years of Chinese Cinema in 2005. Recently, he was voted the third of the CNN’s “top five most iconic musician of all time” placing behind Michael Jackson and The Beatles.

Futhermore from Wikipedia, Cheung committed suicide on 1 April 2003 at 6:41 pm (HKT). He leapt from the 24th floor of the Mandarin Oriental hotel, located in the Central district of Hong Kong Island. He left a suicide note saying that he had been suffering from depression. He was 46 years old.

As one of the most popular performers in Asia, Cheung’s death shocked the Asian entertainment industry and Chinese community worldwide. The day after Leslie’s death, his family confirmed that Cheung suffered from (clinical) depression and had been seeing psychiatrists for treatment for almost a year. They also revealed that Cheung had attempted suicide in 2002. Later at his funeral, Cheung’s niece disclosed that her uncle had severe clinical depression and suffered much over the past year (2003).

Despite the risk of infection from SARS and the Who’s warning on travels to Hong Kong, tens of thousands attended Cheung’s memorial service, which was held for the public, on 7 April 2003, including celebrities and other fans, many from other parts of the world such as mainland China, Taiwan, Korea, Japan, Southeast Asia, the United States and Canada. Cheung’s funeral was on 8 April 2003. For almost one month, Cheung’s death dominated newspaper headlines in Hong Kong and his songs were constantly on the air.

Cheung’s last album Everything Follows the Wind (一切隨風) was released three months after his death.

• Cheung’s suicide note (translation): “Depression! Many thanks to all my friends. Many thanks to Professor Felice Lieh-Mak (Cheung’s last psychiatrist, 麥列菲菲). This year has been so tough. I can’t stand it anymore. Many thanks to Mr. Tong. Many thanks to my family. Many thanks to Fei-Fei  (Lydia Shum Din-ha). In my life I did nothing bad. Why does it have to be like this?”
• Cheung’s suicide note (Chinese): “Depression! 多謝各位朋友，多謝麥列菲菲教授，這一年很辛苦，不能再忍受， 多謝唐先生，多謝家人，多謝肥姐. 我一生沒做壞事 為何這樣?”