Template:Are You Sure/September 28
• ... that Florence Violet McKenzie OBE (28 September 1890 or 1892 – 23 May 1982), affectionately known as "Mrs Mac", was a pioneer of wireless technology, Australia's first female electrical engineer, founder of the Women's Emergency Signalling Corps (WESC), and lifelong champion of technical education for women?
• ... that astronomer and mathematician Ismaël Bullialdus (28 September 1605 – 25 November 1694) was an active and prolific member of the Republic of Letters, the long-distance intellectual correspondence network that had emerged as an international community of self-proclaimed scholars and literary figures; that his letters demonstrate the geographic reach of the Republic of Letters (not only in nearby countries like Holland and Italy, but also in Scandinavia, Poland, and the Near East); and that the most famous of the known letters included in the original Archive Boulliau include correspondence with notable luminaries, including Galileo, Marin Mersenne, Henry Oldenburg, Christiaan Huygens, and Fermat?
• ... that mathematician and physicist Martin David Kruskal (September 28, 1925 – December 26, 2006) made fundamental contributions in mathematics and science, ranging from plasma physics to general relativity and from nonlinear analysis to asymptotic analysis; that Kruskal's single most celebrated contribution was the discovery and theory of solitons; that Kruskal was known as a mentor of younger scientists; and that Kruskal was notable for his playfulness?