IN: Irving Fisher (February 27, 1867 - April 29, 1947) was an American economist, statistician, inventor, and Progressive social campaigner. He was one of the earliest American neoclassical economists, though his later work on debt deflation has been embraced by the Post-Keynesian school. Joseph Schumpeter described him as "the greatest economist the United States has ever produced", an assessment later repeated by James Tobin and Milton Friedman. Fisher made important contributions to utility theory and general equilibrium.

Fisher was born in Saugerties, New York. His father was a teacher and a Congregational minister, who raised his son to believe he must be a useful member of society. Despite being raised in religious family, he later on became an atheist. As a child, he had remarkable mathematical ability and a flair for invention. A week after he was admitted to Yale College his father died, at age 53. Irving then supported his mother, brother, and himself, mainly by tutoring. He graduated first in his class with a B.A degree in 1888, having also been elected as a member of the Skull and Bones society.  In 1891, Fisher received the first Ph.D. in economics granted by Yale. His faculty advisors were the theoretical physicist Willard Gibbs and the sociologist William Graham Sumner. As a student, Fisher had shown particular talent and inclination for mathematics, but he found that economics offered greater scope for his ambition and social concerns. His thesis, published by Yale in 1892 as Mathematical Investigations in the Theory of Value and Prices, was a rigorous development of the theory of general equilibrium. When he began writing the thesis, Fisher had not been aware that Leon Walras and his continental European disciples had already covered similar ground. Nonetheless, Fisher's work was a very significant contribution and was immediately recognized and praised as first-rate by such European masters as Francis Edgeworth.  After graduating from Yale, Fisher studied in Berlin and Paris. From 1890 onward, he remained at Yale, first as a tutor, then after 1898 as a professor of political economy, and after 1935 as professor emeritus. He edited the Yale Review from 1896 to 1910 and was active in many learned societies, institutes, and welfare organizations. He was president of the American Economic Association in 1918. The American Mathematical Society selected him as its Gibbs Lecturer for 1929. A leading early proponent of econometrics, in 1930 he founded, with Ragnar Frisch and Charles F. Roos the Econometric Society, of which he was the first president.  Fisher was a prolific writer, producing journalism as well as technical books and articles, and addressing various social issues surrounding of the First World War, the prosperous 1920s and the depressed 1930s. He made several practical inventions, the most notable of which was an "index visible filing system" which he patented in 1913 and sold to Kardex Rand (later Remington Rand) in 1925. This, and his subsequent stock investments, made him a wealthy man until his personal finances were badly hit by the Crash of 1929.  Fisher was also an active social and health campaigner, as well as an advocate of vegetarianism, Prohibition, and eugenics. He died in New York City in 1947, at the age of 80.

Is there anything else of importance?

OUT: He made several practical inventions,

input: Record producer Mike Curb saw the Osmonds perform as a band and recognized that they combined a rare mix of polished performing style, instrumental skill, and vocal talent. He helped the Osmonds get a record contract with MGM and arranged for them to record at Muscle Shoals with R&B producer Rick Hall. Under Hall's guidance, the Osmonds hit the top spot on the pop chart with "One Bad Apple" in 1971. The song, "One Bad Apple", written by George Jackson, who had The Jackson Five in mind when he wrote it, was originally presented to Motown Record's Chairman of the Board, Berry Gordy, for The Jackson Five to record, but he turned it down. It was then presented to MGM Records for The Osmonds; both the Jackson Five (who were admittedly inspired by The Osmonds' early success) and the Osmonds were aiming for the same Bubblegum sound and style of music, and it became their first number-one hit single, released on November 14, 1970.  The Osmonds soon had hits with other light, R&B-style pop numbers like "Double Lovin'" (#14) and "Yo-Yo" (#3). In each of these hits, the formula was the same; Merrill sang lead, and Donny was "co-lead" in essence, singing the "hook" or "chorus" of the song.  At this time the Osmonds also recorded several hits that were billed to Donny, the lead soloist on the songs: "Sweet and Innocent" (#7), "Go Away Little Girl" (#1), "I Knew You When" (#9) and "Puppy Love" (#2). The Osmonds were at their peak of popularity.  The Osmonds began writing and performing their own music and their sound moved towards rock music beginning with their album Phase III. In addition to "Yo-Yo", Phase III produced the major hit "Down by the Lazy River" (#4). The following Crazy Horses album was the band's first really personal statement -- the brothers have been quoted as saying that the title song refers to air pollution from cars, and its instrumentation featured an even harder rock sound bordering on early heavy metal. They wrote all the songs and played all the instruments with Alan on rhythm guitar, Wayne on lead guitar, Merrill on lead vocals and bass, Jay on drums and Donny on keyboards. All the brothers sang backing vocals, with Jay and Donny sometimes singing lead parts. But Donny singing co-lead on these songs was abandoned for the reason given below (except for Lazy River, which he also did not sing co-lead on).

Answer this question "Was that part of an album they produced?"
output:
The Osmonds soon had hits with other light, R&B-style pop numbers like "Double Lovin'"