Who died in December 2015

American singer who transcended genres, known for her powerful R&B hits and the Grammy-winning *Unforgettable... with Love* album

British rock musician, composer, singer, and bassist, best known as the founder, lead vocalist, and primary songwriter of the iconic heavy metal band Motörhead

American computer scientist and open source developer known for founding the Debian project and Progeny Linux Systems

Japanese association football player and coach who represented his nation on the field and contributed to the sport's growth through his leadership

American political scientist and historian renowned for his seminal work <em>Imagined Communities</em> and critical studies on Southeast Asian politics