Which 20th-century Egyptian architect, trained at the École des Beaux-Arts in Paris, designed the iconic Nile-side Mogamma building on Tahrir Square and the Arab League headquarters?

• A Hassan Fathy
• B Kamal El Mallakh
• C Mahmoud Riad ✓
• D Mustafa Fahmy

Mahmoud Riad (1905–1980), a pioneering modern Egyptian architect, designed the monumental Mogamma el-Tahrir (completed 1949), the hulking bureaucratic landmark that dominates Cairo's central square, blending modernist massing with Islamic arched window motifs.