What type of steel was used in mid–20th century developments and was a Raphael S. Soriano specialty?
Raphael Soriano Raphael S. Soriano, FAIA, (August 1, 1904 – July 21, 1988) was an architect and educator, who helped define a period of 20th-century architecture that came to be known as Mid-century modern. He pioneered the use of modular prefabricated steel and aluminum structures in residential and commercial design and construction.
Sacred Steel (musical tradition) Sacred Steel is a musical style and African-American gospel tradition that developed in a group of related Pentecostal churches in the 1930s.