Hamilton Fish Armstrong (1893-1973) was a prominent American journalist, diplomat, writer, and member of the influential Fish family of politicians. Born on April 7, 1893, he was the son of an artist and gentleman farmer, growing up in a lineage connected to American political history. Armstrong's early life was rooted in New York City, where he maintained a lifelong residence in a three-story red brick house on West 10th Street, embodying the archetype of a passionate New Yorker. His family background provided him with a network of connections that likely influenced his later career in international affairs and diplomacy. Armstrong's professional legacy is most notably tied to his half-century association with Foreign Affairs, the flagship publication of the Council on Foreign Relations (CFR). He joined as managing editor and succeeded Archibald Cary Coolidge as editor in 1928, serving until 1972 and shaping the journal's agenda on global politics. Beyond editing, Armstrong was actively involved in CFR activities, contributed to diplomatic efforts, and authored works such as 'Tito and Goliath.' His career bridged journalism and diplomacy, occasionally participating in world politics while prioritizing his editorial role in fostering informed discourse on foreign policy. Throughout his life, Armstrong remained deeply embedded in New York intellectual circles, with his personal papers—including diaries, scrapbooks, and photographs—documenting his extensive professional engagements. He passed away on April 24, 1973, at the age of 80, leaving behind a rich archive that highlights his contributions to American foreign policy thought and the CFR's influence networks.