Working in the 16th century, Sinan designed greater than 300 structures, including mostly mosques but also palaces, schools and other buildings. Other famous buildings designed by Wren included the Greenwich Hospital, which later turned the Royal Naval College, and the façade of Hampton Court Palace, both in London. And finally, his buildings incorporated flat roofs that could accommodate gardens. In actual fact, he was among the primary to depart from the classical style and defy traditional e...