Frederick Hammersley's "Family tree, #2" from 1991 is a compact yet commanding oil on board that exemplifies the Los Angeles hard-edge painter's lifelong devotion to geometric precision and intuitive formal logic. At roughly 21.6 by 29.2 centimeters, the work operates at an intimate scale, inviting close looking and rewarding the collector who appreciates how much visual intelligence Hammersley could concentrate into a modest format. The composition reflects his characteristic approach of deriving structure from an internally consistent set of rules, where each shape feels both inevitable and quietly surprising, a product of rigorous thinking rather than spontaneous gesture. Hammersley belongs to the generation of California abstract painters who resisted the emotional turbulence of Abstract Expressionism in favor of clean edges, considered color relationships, and an almost philosophical commitment to the integrity of the picture plane. Associated with the landmark 1959 exhibition "Four Abstract Classicists" alongside Karl Benjamin, Lorser Feitelson, and John McLaughlin, his work has earned a secure place in the canon of postwar American abstraction. Late works from the 1990s, including this piece, demonstrate that Hammersley's engagement with geometric form never hardened into formula but continued to evolve with genuine curiosity. The work is signed and presented in the artist's own frame, a detail that carries meaningful weight, as Hammersley treated framing as an extension of the artwork itself rather than a neutral housing. Provenance is supported by a certificate of authenticity from L.A. Louver, the Los Angeles gallery that represented him for decades and remains the primary authority on his work. For collectors focused on California modernism or the broader history of geometric abstraction, this painting offers both scholarly credibility and a rare personal touch rooted in the artist's own hand.