Pedro Adolfo de Castro (1895–1936) was a twentieth-century architect from San Juan, Puerto Rico.
[6] At the age of 19, in 1914, he traveled to New York where he attended school at the Syracuse University, graduating in 1918 with a degree in architecture.
[2] From his insular government job, Besosa moved to the private sector working for Antonín Nechodoma.
[11] Works include: De Castro Besosa died when his small airplane crashed on 18 October 1936.
[10] Castillo Serrallés, designed by De Castro y Besosa, is listed in the National Register of Historic Places.