Reynold Ruffins (born 1930) is an African American painter, illustrator, and graphic designer.
 With Milton Glaser, Edward Sorel, and Seymour Chwast, Ruffins founded Push Pin Studios in 1954.
 An illustrator of more than twenty children's books, Ruffins is known for his "stylistic versatility, vibrant colors, and penchant for fanciful creatures."
 He has had many solo exhibitions and been part of group show exhibitions at Paris' Musée du Louvre, and in Milan, Bologna, and Tokyo.
Mary Augusta Mullikin (born 1874 in Ohio; died 1964) was an American painter who spent almost 30 years in China from 1920 to the end of World War II.
 Member of the American Federation of Art.
 Joint author with Anna Hotchkis, also a painter, of two books of their travels in China, illustrated by themselves, entitled "Buddhist Sculptures of the Yun Kang Caves" (Librairie française, Peiping, 1935) and "The Nine Sacred Mountains of China" (Vetch and Lee, Hong Kong, 1973).
 She also contributed to the National Geographic Magazine a number of articles accompanied by her drawings, including "China's Great Wall of Sculpture" in the March 1938 National Geographic (pp 313–348) on the earliest Buddhist sculptures in what were known as the Yun Kang caves, and "Tài Shan, Sacred Mountain of the East" in June 1945.
 Her paintings and drawings were also featured in exhibitions at the Corcoran Gallery in Washington D.C. and at the Philadelphia Academy, as well as in the Brook Street Galleries in London and numerous exhibitions in China.
Henry Pierre Villierme (August 21, 1928 – March 13, 2013) was an American painter associated with abstract expressionism and the Bay Area Figurative Movement.
 Villierme was considered one of the "Second Generation" members of the Bay Area Figurative Movement.
 Villierme first rose to prominence with a series of successful exhibitions in the late 1950s.
 From the 1960s to the 1980s Villierme continued to paint and sculpt in his studio, and in the late 1980s returned to public exhibitions.
Chung-Chuan CHENG (, 1931-), a female Taiwanese painter, was born in Hsinchu City.
 Most of her sisters engage in the medical field because her father was a well-known medical doctor in the 1930s in Taiwan.
 Her mother, a house wife, is the offspring of a noted philanthropist, Lee His-Cin.
 While majoring in Fine Arts at National Taiwan Normal University, Chung-Chuan Cheng joined the Fifth Moon Art Group encouraged to set up by a painting professor Ji-Chun Liao in 1957.
 By the end of the same year, she gave up the teaching and decided to reside in Japan with her husband.
 The artist had stopped working any paintings for more than 30 years until she was nearly 60.
 She not only started to hold solo exhibitions in Japan but also returned to Taiwan for joining annual exhibitions of the Fifth Moon Art Group.
 Just before her eightieth, Dr. Sun Yat-Sen Memorial Hall staged her art retrospective exhibition in 2011.
 Besides, a private charity organization also took place a bazaar of her works for the benefit of the mental and physical disabled residents in Hsin-Chu.
。In 2013, Taipei Fine Arts Museum invited Chung-Chuan Cheng to join the group exhibition “Women Adventurers: Five Eras of Taiwanese Art, 1930-1983”.
 At present, the artist enjoys leading a tranquil life and contentedly creating works.
The "New England Reformers" was a lecture by Ralph Waldo Emerson read before "The Society" in Amory Hall, on Sunday, March 3, 1844.
 "The Society" has been identified as the American Anti-Slavery Society, led by William Lloyd Garrison.
Paul Resika (born 1928) is an American painter, was born and raised in New York City.
 Resika began exhibiting his paintings in New York City in the 1940s.
 He has had several dozen one-man exhibitions in important galleries and museums, and his works have been included in hundreds of group exhibitions since the late 1940s until the present.
Ronald "Ron" Davis (born 1937), is an American painter whose work is associated with Geometric abstraction, Abstract Illusionism, Lyrical Abstraction, Hard-edge painting, Shaped canvas painting, Color field painting, and 3D Computer Graphics.
 He is a veteran of nearly seventy solo exhibitions and hundreds of group exhibitions.
George Catlin (July 26, 1796 – December 23, 1872) was an American painter, author, and traveler, who specialized in portraits of Native Americans in the Old West.
 Travelling to the American West five times during the 1830s, Catlin was the first white man to depict Plains Indians in their native territory.
Joseph Alexander Ames (1816–1872) was an American artist, primarily known for portrait and genre painting.
 Originally named Joseph Emes, he was born in Roxbury, New Hampshire.
 Ames began painting at a young age.
 At the age of twelve Henry Theodore Tuckerman wrote about one of his paintings.
 After moderate success at home in Saugus, Massachusetts, he left for Boston in 1841.
 While in Boston, Ames tried to replicate the style of Washington Allston.
 In 1848, Ames traveled to Rome, where he painted a portrait of Pope Pius IX that was featured at the National Academy of Design's annual exhibition in 1850.
 When he returned from Italy he was commissioned by Rufus Choate, Daniel Webster, and Abraham Lincoln.
 He kept a studio in Boston in Amory Hall (ca.1849), and later on Tremont Street (ca.1856), and then on Summer Street.
 Ames exhibited at the Boston Athenæum, the National Academy of Design, and the Pennsylvania Academy.
 He eventually moved to Baltimore, and then to New York, where he died of a "brain fever".
Amory Hall (c. 1836-c.
 1872) was located on the corner of Washington Street and West Street in Boston, Massachusetts, in the 19th-century.
 Myriad activities took place in the rental hall, including sermons; lectures by Henry David Thoreau, Ralph Waldo Emerson, William Lloyd Garrison; political meetings; exhibitions by Rembrandt Peale, George Catlin, John Banvard; moving panoramas; magic shows; concerts; and curiosities such as the "Nova Scotia Giant Boy."

Question: Exhibitions of what American painter took place at Amory Hall?
Answer: George Catlin