5,509 articles
Old Master
Old Master: informal term for prominent pre-modern European artists, roughly 1300-1800, and their paintings; covers Renaissance, Baroque, Dutch Golden Age; also a major auction category, $1.2 billion in 2025 sales.
Old Roger (Jolly Roger)
Old Roger, or Jolly Roger, is the generic name for Golden Age pirate flags, first recorded in 1724; the skull-and-crossbones design dates to Emmanuel Wynne in 1700, with black flags offering quarter and red flags none.
Old Tree, Bamboo and Rock
Old Tree, Bamboo and Rock (窠木竹石图) is an ink-on-silk hanging scroll by the Yuan artist and calligrapher Zhao Mengfu (1254–1322), held in the National Palace Museum, Taipei.
Old Trees and Monkeys
Old Trees and Monkeys (Koboku enkō-zu) is a pair of 16th-century ink-on-paper hanging scrolls by the Japanese painter Hasegawa Tōhaku, showing monkeys playing on withered trees.
Old Trees, Level Distance
Old Trees, Level Distance (樹色平遠圖) is a Northern Song handscroll attributed to the painter Guo Xi, held at the Metropolitan Museum of Art, New York.
Oleksandr Murashko
Oleksandr Murashko (Олександр Мурашко, born Krachkovsky) was a Ukrainian painter known for psychologically acute portraits, and a co-founder of the Ukrainian Academy of Arts in Kyiv.
Olive (color)
Olive is a dark yellowish-green color named for the olive fruit; its web value is #808000, an exact equal mix of red and green light with no blue.
Olive Byrne
Olive Byrne (Olive Richard), 1904-1990, American Family Circle writer, niece of Margaret Sanger, and domestic partner of William Moulton Marston and Elizabeth Holloway Marston; her bracelets and feminist family inspired Wonder Woman.
Olivia Fraser (artist)
Olivia Fraser (born 1965, London) is a British painter based in New Delhi, wife of William Dalrymple, known for contemporary works made with Indian miniature painting techniques and kinship to James Baillie Fraser.
Oljeitu Mihrab
The Oljeitu Mihrab is a carved-stucco prayer niche dated 1310 in the Friday Mosque of Isfahan, Iran, made under the Mongol Il-khan Öljeitü and signed by the calligrapher Haydar.
Olowe of Ise's veranda posts
Olowe of Ise's veranda posts are carved wooden supports, made around 1910 for Yoruba royal palaces in southwestern Nigeria, most famously by the sculptor Olowe of Ise.
Olu Oguibe
Olu Oguibe (born 1964, Aba, Nigeria) is a Nigerian-American artist, poet, and curator whose work centers on exile and displacement, best known for his 2017 Kassel obelisk honoring refugees.
Olympia (Manet)
Olympia (1863) is Édouard Manet's oil painting of a courtesan staring at the viewer, based on Titian's Venus of Urbino, scandalous at the 1865 Salon, now at the Musée d'Orsay.
Ombré
Ombré, from French for "shaded," is a gradation of one color from light to dark in dyed, woven, or printed textiles, wallpaper, and paint; distinct from variegated multi-color effects.
Omega-level mutants
Omega-level mutants are Marvel Comics' highest mutant power classification, defined in House of X #1 (2019) as a dominant power with an undefinable upper limit; the issue listed 14 known omega-level mutants including Jean Grey, Magneto, Storm, and Iceman.
Onchi Kōshirō
Onchi Kōshirō (恩地孝四郎, 1891–1955) was a Japanese printmaker, book designer, photographer, and poet, a leading figure of the sōsaku hanga movement and an early pioneer of abstract art in Japan.
One Hundred and Eight Heroes of the Popular Suikoden
One Hundred and Eight Heroes of the Popular Suikoden (Tsūzoku Suikoden gōketsu hyakuhachinin no hitori) is an 1827 series of Japanese woodblock prints by Utagawa Kuniyoshi.
One Hundred Famous Views of Edo
One Hundred Famous Views of Edo (Meisho Edo Hyakkei) is a series of 120 woodblock prints designed by Hiroshige and published from 1856 to 1858.
One Hundred Horses
One Hundred Horses (百骏图) is a Qing dynasty handscroll completed in 1728 by Italian Jesuit court painter Giuseppe Castiglione, depicting one hundred horses in a European-Chinese hybrid style.
One Hundred Views of Mount Fuji
One Hundred Views of Mount Fuji (Fugaku hyakkei, 富嶽百景) is a three-volume Japanese illustrated book of woodblock prints of Mount Fuji designed by Katsushika Hokusai, published from 1834.
One-corner composition
The one-corner composition (一角构图) is a Southern Song academy landscape format, developed 1127 to 1279, that concentrates the subject in one corner, leaving the rest blank.
One: Number 31, 1950
One: Number 31, 1950 is a large drip painting by Jackson Pollock, made in 1950 and held by the Museum of Modern Art in New York.
Oni Press
Oni Press, founded 1997 by Joe Nozemack and Bob Schreck in Portland, Oregon, is an independent comic and graphic novel publisher known for Scott Pilgrim and Gender Queer; since a 2019 merger with Lion Forge it operates as the Oni-Lion Forge Publishing Group under Polarity.
Onufri
Onufri was a sixteenth-century Albanian icon painter, active from at least 1547 to 1554, regarded as the greatest Albanian painter of his century and founder of the Berat school of icon painting.
Ooni of Ife copper mask
The Ooni of Ife copper mask, usually called the Obalufon mask, is a life-size copper face mask from Ife, Nigeria, traditionally identified as King Obalufon II.
Op art
Op art (optical art) is a 1960s abstract art movement using geometric patterns and contrast to create illusions of movement on static surfaces; named by Time in 1964, peaked with MoMA's The Responsive Eye, 1965; led by Vasarely and Riley.
Operários
Operários (Workers) is a 1933 oil painting by the Brazilian modernist Tarsila do Amaral, the principal work of her social phase, showing worker faces before São Paulo's factory chimneys.
Ophelia (Heyser)
Ophelia (c. 1900) is an oil-on-canvas painting by German painter Friedrich Wilhelm Theodor Heyser, held at Museum Wiesbaden, showing Shakespeare's Ophelia floating among water lilies; it drew worldwide attention in 2025 through Taylor Swift's music video.
Ophelia (painting)
Ophelia is John Everett Millais's 1851-52 Pre-Raphaelite oil painting at Tate Britain depicting Shakespeare's Hamlet heroine floating in a stream before drowning, painted outdoors in Surrey with Elizabeth Siddal posing in a bathtub.
Orazio Gentileschi
Orazio Gentileschi (1563–1639) was an Italian Baroque painter born in Pisa who adopted Caravaggio's naturalism in Rome, then worked for the courts of Paris and London.