Tenor saxophonist Sonny Rollins, the “Saxophone Colossus” who was schooled by bebop’s legends as a prized sideman and became their peer as a formidable leader, improviser and composer, has died, according to a social media post from his family. No cause of death was cited; he was 95.

Sporting a burly tone, a tart sense of instrumental humor and keen melodic and harmonic ingenuity, Rollins was acknowledged as a jazz voice as groundbreaking as that of his friend and contemporary John Coltrane, with whom he unforgettably locked horns on “Tenor Madness” in 1956.

He penned such now-standard entries in the jazz book as “Airegin,” “Doxy,” “Oleo” and “St. Thomas,” the last of which was a calypso adaptation (one of several he recorded) that reflected his family’s Caribbean origins. He sported an all-encompassing knowledge of the standard repertoire, and could wring highly personalized statements from such unlikely vehicles as “Toot, Toot, Tootsie.” One of his most celebrated albums, 1957’s “Way Out West,” was built around his interpretations of cowboy songs.

Imposing, customarily taciturn and somewhat eccentric — he shaved his hair into a Mohawk style during the ’60s, long before punk fashion adopted it — the musician nicknamed “Newk” (after a resemblance to major league pitcher Don Newcombe) looked askance at the limelight, and took two protracted hiatuses from recording and performing at the height of his powers.

Over the course of a career that stretched back to the late 1940s, his stature was acknowledged with a Grammy Lifetime Achievement Award, the Kennedy Center Honors and a National Medal of Arts.

Calling him “an invincible presence” on the 50th anniversary of his professional debut, critic Gary Giddins said Rollins was “one of the most cunning, surprising and original of jazz visionaries.”

He was born Theodore Walter Rollins in New York’s Harlem neighborhood. He began playing piano and then alto saxophone, finally taking up the tenor horn in emulation of his boyhood idol Coleman Hawkins, who lived in his neighborhood. He learned his jazz craft at Benjamin Franklin High in East Harlem, and played alongside such future stars as altoist Jackie McLean, pianist Kenny Drew and drummer Art Taylor. Through a classmate, he met pianist-composer Thelonious Monk, whose angular, puckish compositions would have an impact on his own work.

He made his recording debut at 18 in 1949 for Prestige Records in a band led by trombonist J.J. Johnson. In quick succession, he cut dates with pianist Bud Powell, the Modern Jazz Quartet, Monk and trumpeter Miles Davis, who recorded three of Rollins’ compositions at a 1954 session.

In spite of the attention his early work attracted in such glittering hard bop company, Rollins recorded only intermittently in the early ’50s, for — like many other young jazzmen who fell under the spell of star bebop altoist and notorious drug addict Charlie Parker — he had acquired a debilitating heroin habit.

He was arrested and jailed on drug charges in 1950 and for parole violation in 1953. At a ’53 Miles Davis date that paired him with Parker, the bop elder himself urged the young musician to clean up. In late 1954, he checked into the federal drug facility in Lexington, Kentucky, where he kicked his habit.

Rollins’ career took off in earnest in 1955 when he joined the august quintet led by trumpeter Clifford Brown and drummer Max Roach (who later appeared on a Prestige date led by the saxophonist). The year 1956 saw his breakout as a leader: He fronted Miles Davis’ working band (minus the trumpeter) on the Prestige album “Tenor Madness,” which featured the titular battle with Coltrane, and recorded “Saxophone Colossus,” which contained the lengthy, brilliantly imagined blues improvisation “Blue 7,” hailed by such critics as Gunther Schuller and Martin Williams as a jazz high water mark.

He also recorded for Blue Note during this period, making a mark with two volumes of “A Night at the Village Vanguard,” drawn from a pair of forceful trio sets with cut with two different rhythm sections in November 1957 at the noted New York club.

As his star continued to rise, Rollins notably recorded for a pair of West Coast-based labels, Orrin Keepnews’ Riverside and Lester Koenig’s Contemporary. His work for the former company included sideman duty on Monk’s “Brilliant Corners” (1956) and a storming trio session, “Freedom Suite” (1958). His Contemporary sides included “Way Out West” and “Sonny Rollins Meets the Contemporary Leaders” (1958), a satisfying collaboration with such California players as Barney Kessel and Hampton Hawes.

The spotlight grew too hot, however, and after the latter date Rollins dropped out of sight for nearly three years. He exercised and woodshedded, and a story in Metronome magazine revealed that he could be seen and heard playing on New York’s Williamsburg Bridge.

He later told the New Yorker’s Whitney Balliett, “I found it’s a superb place to practice. Night or day. You’re up over the whole world. You can look down on the whole scene. There is the skyline, the water, the harbor. It’s a beautiful scene, a panoramic scene…You can blow as loud as you want. It makes you think. The grandeur gives you perspective.”

Upon emerging from his sabbatical, Rollins was signed to the major RCA Records in a rare, and uncommonly lucrative, deal for a jazz performer. His first two albums for the label, “The Bridge” and “What’s New?” (both 1962), were energetic and uncommonly lyrical affairs that featured the hushed guitar work of Jim Hall. The LPs also commenced his empathetic association with bassist Bob Cranshaw, who appeared on Rollins’ albums for the next half-century.

In his time off, Rollins had clearly cocked an ear to the roaring “new thing” of such exploratory musicians as Coltrane and altoist Ornette Coleman, and in the summer of 1962 he recorded a live album, “Our Man in Jazz,” at New York’s Village Gate with trumpeter Don Cherry and drummer Billy Higgins of Coleman’s group.

While Rollins more than held his own in this rarefied company, his exploration of the “free jazz” terrain proved short-lived. His other, more conservative but still expressive sets for RCA comprised a joint project with Coleman Hawkins, a recital of familiar bop tunes and a collection of standards.

A three-album stint for Impulse! Records followed; it was highlighted by “Alfie” (1966), a U.S. studio re-creation of the score he had composed and recorded with British sidemen for the soundtrack of Lewis Gilbert’s drama starring Michael Caine.

Rollins dropped out of sight again for another six years, to practice meditation and Eastern spiritual disciplines. He emerged again in 1972, when he began an association with Milestone Records that ran for nearly 30 years. While not entirely unrewarding, his time with the label found him working not always comfortably in electric settings; numbers like 1979’s “Disco Monk” did little to burnish his reputation.

Nonetheless, in 1981 he made a surprisingly fulfilling guest shot on the Rolling Stones’ album “Tattoo You,” contributing a breathtaking solo on the band’s “Waiting for a Friend.”

In 1986, filmmaker Robert Mugge released a documentary profile of Rollins, aptly titled “Saxophone Colossus.”

In his latter-day eminence, Rollins received a pair of Grammy Awards: His 2000 collection “This Is What I Do” was named best jazz instrumental album, while his playing on “Why Was I Born?” — from “Without a Song,” a live date cut shortly after the 9/11 attacks — was honored as best jazz instrumental solo.

Rollins, who lived near the World Trade Center in New York at the time, achieved a different kind of fame in the days after the 9/11 attack when CNN broadcast footage of him, horn in hand, and his neighbors waiting to be evacuated; ironically, the newscasters didn’t recognize him but some viewers did.).

“I heard a big pow — I didn’t know what it was, but of course I found out a few minutes later,” Rollins told Variety in 2021. “I was living on the top floor, I think it was the 39th, and I went downstairs and everyone was on the street watching it all, completely in shock. These things like snowflakes began raining down — it was some kind of toxic stuff coming from the buildings.

“When we were evacuated the next day, I had my horn with me,” he continues. “People were looking at me strangely, because with all the police and ambulances and trucks and the army, it was like a World War II movie — and here’s me, this guy in a beret with a saxophone.”

In 2008, he founded his own imprint, Doxy Records, which documented several of his live performances, including one in tandem with Ornette Coleman.

Rollins may have received the greatest attention of his latter-day career in 2014, when the New Yorker’s “Shouts & Murmurs” column ran a brief mock “profile,” unidentified as fiction, of the tenor player that featured fabricated quotes condemning jazz as art and lifestyle.

The jazz community went up in arms about the piece, which was quickly and apologetically relabeled as humor in the magazine’s Web edition. In an online video interview conducted in his home, Rollins himself called the story “scurrilous,” and compared it to something one might find in Mad magazine — to which, he said, he subscribed.

Rollins’ last public performance took place in 2012 at the Detroit Jazz Festival. He was diagnosed with pumonary fibrosis and officially stopped playing saxophone in 2014.

He is survived by his nephew Clifton Anderson and his nieces Vallyn Anderson and Gabrielle DeGroat.

No public memorial is planned at this time, according to the post from his family.

Rollins said in 2009, “I think when the creative person ends, he continues in the next existence. I’m a person who believes this life isn’t the be-all and end-all of everything. A spiritual person doesn’t feel like that.”