Question: Who is one of Duro Olowu's notable clients that was born on August 29, 1921?
Related documents: [0]  [DOC] Duro Olowu is a Nigerian-born, London-based fashion designer. He is best known for his innovative combinations of patterns and textiles that draw inspiration from his international background. His empire waist patchwork "Duro" dress was named "dress of the year" by both American and British "Vogue" in 2005. Some of Olowu's notable clients include Michelle Obama, Solange Knowles, and Iris Apfel. In 2005 he won "New Designer of the Year" at the British Fashion awards, the first designer to win without ever showing a runway presentation. [END] 
[1]  [DOC] Iris Apfel née Barrel (born August 29, 1921) is an American businesswoman, interior designer, and fashion icon. [END] 
Answer: 
Iris Apfel
Iris Apfel