Ruy Lopez de Segura was a Spanish Roman Catholic priest in Segura whose 1561 book Libro de la invención liberal y arte del juego del Axedrez was one of the first definitive books about modern chess in Europe.
Ruy Ohtake is an architect born on January 27, 1938, in the neighbourhood of Móoca, São Paulo, Brazil. Son of Japanese artist Tomie Ohtake, Ruy Ohtake is known for his unusual architectural designs. Examples of his projects are the half-moon-shaped Hotel Unique, the Hotel Renaissance building, and commercial building Edifício Santa Catarina at Avenida Paulista - all three located in the city of São Paulo. Ohtake is also famous for the design of the Thomie Ohtake Cultural Institute and the commercial building next to it.