Even as he became widely known as a professional killer, nearly every cowboy and rancher in Wyoming seemed proud to call him a friend.

Following the formation of baseball's first professional organization, the National Association of Professional Baseball Players, which became known as the National Association, the Association, or NA, in 1871, Spalding joined the Boston Red Stockings ( precursor club to the modern Atlanta Braves ) and was highly successful ; winning 206 games ( and losing only 53 ) as a pitcher and batting. 323 as a hitter.

The now all professional Chicago White Stockings, financed by businessman William Hulbert, became a charter member of the league along with the Red Stockings, who had dissolved and moved to Boston.

In 1983, the building became the official museum of the Baltimore Orioles, which signed Ruth to his first professional contract.

In the 1880s, Vasily Vasilievich Andreyev, who was then a professional violinist in the music salons of St Petersburg, developed what became the standardized balalaika, with the assistance of violin maker V. Ivanov.

He grew up on the deprived Cantril Farm housing estate, and went to school with Micky Quinn, who became a professional footballer.

This included the 1948 season, in which the Browns became the first unbeaten and untied team in professional football history, 24 years before the NFL's 1972 Miami Dolphins duplicated the feat.

After graduation, he toured with numerous improv companies and became heavily involved in regional theatre, making his professional debut in The Rose Tattoo in 1965.

Johnson became the first coach to claim a national championship in college football and a Super Bowl victory in professional football.

Several to-be professional game designers started their careers making Doom WADs as a hobby, among them Tim Willits, who later became the lead designer at id Software.

The Futurians became less fan-oriented and more professional after 1940.

This led to his transformation, and upon being released from incarceration he became a professional philosopher.

Only a few fans could afford more professional printers, or the time it took them to print, until photocopying became cheap and ubiquitous in the 1970s.

When the art academy in Amsterdam became part of the higher professional education system in 1968 and was given the status of an Academy for Fine Arts and Design, the name was changed to the Gerrit Rietveld Academy in honour of Rietveld.

Once he established himself as a professional musician in Leipzig, Telemann became increasingly active in organizing the city's musical life.

" Historian " became a professional occupation in the late nineteenth century as research universities were emerging in Germany and elsewhere.

In the late Middle Ages and the Renaissance, heraldry became a highly developed discipline, regulated by professional officers of arms.

Severn was one of seven children ; two of his brothers, Thomas ( 1801 – 1881 ) and Charles ( 1806 – 1894 ), became professional musicians, and Severn himself was an adroit pianist.

By the following year Dalglish was a full professional and a regular member of the highly-rated Celtic reserve team that became known as the Quality Street Gang, due to its having a large number of future Scottish internationals, including Danny McGrain, George Connelly, Lou Macari, and David Hay.

Print runs beyond that level were usually produced by professional printers, or as the technology became available, xerographic copiers.

While mambo became more recognized in the United States, the Cuban dance wasn't accepted by many professional dance teachers.

Robert and Lucile got married and started a family, and Robert became a professional photographer for a women's magazine.

* 1968 – Penny Ann Early became the first woman to play major professional basketball, in an ABA game Kentucky Colonels vs. Los Angeles Stars.

After elementary school Paul attended the time-honored secondary school Maria-Magdalenen-Gymnasium in Breslau, where he met Albert Neisser, who later became a professional colleague.

Gradually, the nature of professional wrestling became an open secret, although American promotions ' events were still often regulated by state athletic commissions through the 1980s, until World Wrestling Federation owner Vince McMahon publicly admitted that wrestling was entertainment, not competition.

* 1942 – Actress Hedy Lamarr and composer George Antheil receive a patent for a Frequency-hopping spread spectrum communication system that later became the basis for modern technologies in wireless telephones and Wi-Fi.

Clementi's sonatas for the piano circulated widely, and he became the most successful composer in London during the 1780s.

After 1906 the composer Richard Wetz lived in Erfurt and became the leading person in the town's musical life.

Some older composers in Naples, notably Zingarelli and Paisiello, were inclined to intrigue against the success of the youthful composer, but all hostility was rendered futile by the enthusiasm that greeted the court performance of his Elisabetta, regina d ' Inghilterra, in which Isabella Colbran, who subsequently became the composer's wife, took a leading part.

Almost completely self-taught in music, he became a composer against his family's wishes.

The composer himself claimed that he inherited the talent for music from his mother, whose nephew Joachim Friedrich was Kantor at Verden ( Telemann would later publish a treatise by Joachim Friedrich's son, who became an organist ).

After Telemann's eldest son Andreas died in 1755, he assumed the responsibility of raising Andreas ' son Georg Michael Telemann, who eventually became a composer.

The respected composer Richard Strauss, for example, became head of the Reich Music Chamber.

He became very attached to Schumann's wife, the composer and pianist Clara, fourteen years his senior, with whom he would carry on a lifelong, emotionally passionate relationship.

The great Danish-German composer Dieterich Buxtehude ( born in what is present-day Sweden ) became organist at the Marienkirche in Lübeck in 1668 and remained at the post until at least 1703.

She became a pupil of Antonio Bagioli of Cesena, Emilia – Romagna, and later of the composer Gioachino Rossini, when he was ' perpetual honorary adviser ' in ( and then the principal of ) the Liceo Musicale, now Conservatorio Giovanni Battista Martini, in Bologna.

Shorter became the group's principal composer, and some of his compositions of this era ( including " Footprints " and " Nefertiti ") have become standards.

The ragtime composer Scott Joplin became famous through the publication in 1899 of the " Maple Leaf Rag " and a string of ragtime hits that followed, although he was later forgotten by all but a small, dedicated community of ragtime aficionados until the major ragtime revival in the early 1970s.

Lacy also became a highly distinctive composer with a signature simplicity of style, with compositions often built out of little more than a single questioning phrase, repeated several times.

Yet his reservations about twelve-tone orthodoxy became steadily more pronounced: According to Adorno, twelve-tone technique's use of atonality can no more be regarded as an authoritative canon than can tonality be relied on to provide instructions for the composer.

However, Suskin states in Show Tunes that " As the writing progressed and the extent of Bernstein's lyric contributions became less, the composer agreed to rescind his credit ... Contrary to rumor, Sondheim did not write music for the show ; his only contribution came on " Something's Coming ", where he developed the main strain of the chorus from music Bernstein wrote for the verse.

Wesendonck became a supporter of Wagner and bankrolled the composer for several years.

Wesendonck's wife, Mathilde, became enamoured of the composer.

Coogan's Bluff also became the first collaboration with Argentine composer Lalo Schifrin, who would later compose the jazzy score to several Eastwood films in the 1970s and 1980s, including the Dirty Harry films.

Ukrainian composer Mykola Leontovych also explored new ways of harmonizing and arranging Ukrainian folk songs, producing masterpieces such as Dudaryk and Shchedryk, the latter of which featured a four-note ostinato theme and became a popular Christmas carol known as Carol of the Bells after it was translated by Peter J. Wilhousky.

During his years in Germany, Sullivan became friendly with the composer Franz Liszt, the singer and later impresario Carl Rosa, and the violinist Joseph Joachim.

During his university years, Moore took a great interest in jazz and soon became an accomplished jazz pianist and composer.

David Ivor Davies ( 15 January 1893 – 6 March 1951 ), better known as Ivor Novello, was a Welsh composer, singer and actor who became one of the most popular British entertainers of the first half of the 20th century.

With Debussy ’ s death, Ravel became perceived popularly as the main composer of French classical music.

His son Gustavus moved to England with his parents as a child ; he became a composer of salon-style harp music and a notable harp teacher.