In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.

The Stratton-Chu model of this phenomenon attempts to improve on earlier scalar models such as the Rayleigh-Sommerfeld theory. The equivalence of complementary arrangements in producing this phenomenon is described by Babinets principle. A simple scalar theory of this phenomenon makes use of an integral named for Kirchhoff and Fresnel, and a simple pictorial model of this phenomenon is given by Huygens principle of wave propagation. FTP name this behavior observed in electrons by Davisson and Germer, the bending of waves as they pass obstacles.
Science

man included a long wing ending in a series of dovecotes for a Bagnolo building; that structure also includes a barrel-vaulted main room. One building designed by this man includes frescoes by Battista Franco and was nicknamed "La Malcontenta," his Villa Foscari. He also designed an edifice whose bell tower collapsed in 1774, the Church of San Giorgio Maggiore. One of this man's most famous structures is a dome whose design was altered by his fellow architect Scamozzi after his death. That villa contains a large central dome. For 10 points, name this architect of the Villa Rotunda who wrote the Four Books of Architecture.
Fine Arts

F. T. Frelinghuysen served as Secretary of State for this US President, who kept 80 pairs of pants in his wardrobe. His father was a co-founder of the New York Antislavery Society, and as a young lawyer, he won a landmark case leading to desegregation of public transport in New York City. This associate of Roscoe Conkling used tax money to reward political supporters after President Grant appointed him Collector of the Port of New York in 1871, and the Pendleton Act was passed 12 years later, during his presidency. For ten points, name this man who became president after James Garfield was shot.

History