Mohamed Abdul Kadir (1936–2010), also known as S. Mohdir, was a pioneering Singapore artist known for his versatility in mediums like acrylic, oil, watercolour, batik, and copper. His work ranged from still life and landscapes to abstract and socially conscious pieces. Born in Malaysia, he moved to Singapore at a young age and began painting early, exhibiting at 12. He studied at the Famous Artists School in the United States as well as Nanyang Academy of Fine Arts (NAFA). A co-founder and former President of Angkatan Pelukis Aneka Daya (APAD), he was also a dedicated teacher, illustrator, and mentor. He held four solo shows and exhibited widely. His works are housed in public and private collections, including National Gallery Singapore and Balai Seni Negara Malaysia. He also earned accolades including the Pingat APAD (1974), Special Award at the National Day Art Exhibition (1976), and the Pingat Bakti Setia (1996).