December 27

Born in 1564 into the prominent Giustiniani family, Vincenzo Giustiniani became a leading figure in Genoa's banking sector. His financial ventures extended across the Mediterranean, funding merchant voyages and trading enterprises. He was respected for his fiscal acumen and for maintaining stability during periods of economic fluctuation. Giustiniani also engaged in philanthropic efforts, supporting charitable institutions in his hometown. He died in 1637, leaving a legacy in Italian banking history.

John Brown was an English entrepreneur who later turned to politics, representing business interests in public office. His entrepreneurial ventures contributed to regional economic development during the Victorian era. He entered politics and held public office, where he championed commercial and infrastructure initiatives. Brown's transition from commerce to governance highlights the close relationship between industry and public service in 19th-century Britain. He remained active in both spheres until his passing. His career illustrates the era's blend of entrepreneurial ambition and civic duty.

William Armstrong, 1st Baron Armstrong was an English engineer and entrepreneur who founded the Armstrong Whitworth manufacturing empire. Beginning with hydraulic machinery, he revolutionized artillery design with breech-loading cannons that enhanced range and accuracy. His shipbuilding ventures led to the construction of warships for the Royal Navy, advancing naval technology. Armstrong's innovations in hydraulics and armaments earned him a peerage and recognition as one of Victorian Britain's leading inventors. Through Armstrong Whitworth, he pioneered mass production methods and international arms exports. His legacy persists in modern engineering and defense industries influenced by his groundbreaking designs.

Ronald Li was born in Hong Kong and trained in accounting before co-founding the formal Hong Kong Stock Exchange in 1972, where he served as its first chairman. Under his leadership, trading regulations and infrastructure were overhauled, transforming Hong Kong into a global financial hub. In the late 1980s, he was convicted of bribery related to seat allocations and served time in prison. After his release, he withdrew from public life and focused on philanthropic efforts. He died in 2014, leaving a complex legacy in finance and governance.

Gaston Glock was born in 1929 in Vienna, Austria. He initially founded a manufacturing company producing knives and curtain rods. In the early 1980s, Glock developed the lightweight polymer-framed Glock 17 pistol for the Austrian military. The pistol's reliability, simplicity, and durability quickly made it popular among law enforcement and civilian markets worldwide. Under his leadership, Glock GmbH became one of the leading firearms manufacturers globally. Glock's innovative use of polymers and safety features set new industry standards. His designs continue to influence modern firearm engineering and popular culture.