IN: A Night at the Opera is the fourth studio album by the British rock band Queen, released on 21 November 1975 by EMI Records in the United Kingdom and by Elektra Records in the United States. Produced by Roy Thomas Baker and Queen, it was the most expensive album ever recorded at the time of its release. The album takes its name from the Marx Brothers film of the same name, which the band watched one night at the studio complex when recording. A Night at the Opera incorporates a wide range of styles, including ballads, songs in a music hall style, hard rock tracks and progressive rock influences.

"I'm in Love with My Car" is amongst Roger Taylor's most famous songs in the Queen catalogue. The song was initially taken as a joke by May, who thought that Taylor was not serious when he heard a demo recording. Taylor played the guitars in the original demo, but they were later re-recorded by May on his Red Special. The lead vocals were performed by Taylor on the studio version, and all released live versions. The revving sounds at the conclusion of the song were recorded by Taylor's then current car, an Alfa Romeo. The lyrics were inspired by one of the band's roadies, Johnathan Harris, whose Triumph TR4 was evidently the "love of his life". The song is dedicated to him, the album says: "Dedicated to Johnathan Harris, boy racer to the end". When it came down to releasing the album's first single, Taylor was so fond of his song that he urged Mercury (author of the first single, "Bohemian Rhapsody") to allow it to be the B-side and reportedly locked himself in a cupboard until Mercury agreed. This decision would later become the cause of much internal friction in the band, in that while it was only the B-side, it generated an equal amount of publishing royalties for Taylor as the main single did for Mercury. The song was often played live during the 1977-81 period. Taylor sang it from the drums while Mercury played piano and provided backing vocals. It was played in the Queen + Paul Rodgers Tour in 2005 and the Rock the Cosmos Tour in 2008. Taylor would again play the song for his concerts with The Cross and solo tours, where instead of drums he played rhythm guitar.
QUESTION: was mercury happy he allowed it to be on the B?
IN: Alice Hamilton (February 27, 1869 - September 22, 1970) was an American physician, research scientist, and author who is best known as a leading expert in the field of occupational health and a pioneer in the field of industrial toxicology. She was also the first woman appointed to the faculty of Harvard University. Her scientific research focused on the study of occupational illnesses and the dangerous effects of industrial metals and chemical compounds. In addition to her scientific work, Hamilton was a social-welfare reformer, humanitarian, peace activist, and a resident-volunteer at Hull House in Chicago.

In 1897 Hamilton accepted an offer to become a professor of pathology at the Woman's Medical School of Northwestern University. Soon after her move to Chicago, Illinois, she fulfilled a longtime ambition to become a member and resident of Hull House, the settlement house founded by social reformer Jane Addams and Ellen Gates Starr. While Hamilton taught and did research at the medical school during the day, she maintained an active life at Hull House, her full-time residence from 1897 to 1919. Hamilton became Jane Addams' personal physician and volunteered her time at Hull House to teach English and art. She also directed the men's fencing and athletic clubs, operated a well-baby clinic, and visited the sick in their homes. Although she had moved away from Chicago in 1919 when she accepted a position as an assistant professor at Harvard Medical School, Hamilton returned to Hull House and stayed for several months each spring until Addams's death in 1935. Through her association and work at Hull House and living side by side with the poor residents of the community, Hamilton witnessed the effects that the dangerous trades had on workers' health through exposure to carbon monoxide and lead poisoning. As a result, she became increasingly interested in the problems the workers faced, especially occupational injuries and illnesses. The experience also caused Hamilton to begin considering how to merge her interests in medical science and social reform to improve the health of American workers. When the Woman's Medical School closed in 1902, Hamilton took a position as bacteriologist with the Memorial Institute for Infectious Diseases, pursued studies at the Pasteur Institute in Paris, France, and investigated a typhoid epidemic in Chicago before focusing her research on the investigation of industrial diseases. Some of Hamilton's early research in this area included attempts to identify causes of typhoid and tuberculosis in the community surrounding Hull House. Her work on typhoid in 1902 led to the replacement of the chief sanitary inspector of the area by the Chicago Board of Health. The study of industrial medicine (work-related illnesses) had become increasingly important because the Industrial Revolution of the late nineteenth century had led to new dangers in the workplace. In 1907 Hamilton began exploring existing literature from abroad and noticed that industrial medicine was not being studied as much in America. She set out to change the situation and published her first article on the topic in 1908.
QUESTION:
what was the chicago hull house?