The Natal Registry · Science & Tech
James Clark Rossborn under Mercury retrograde
British explorer and naval officer (1800–1862) — born April 15, 1800, while Mercury traced its backward loop through Aries.
BornApril 15, 1800(1800–1862)♈︎☿ Rx in Aries · 29°35′Rx windowApr 7 – May 1, 1800
✶Astrological tradition — for entertainment, not astronomy
Tradition reads a natal Mercury retrograde as the inward mind — drafted, revised, doubled back — and gives it a fire-sign keynote in Aries: Patience over impulse; reread before you fire off.
Shares a retrograde sign with
Coincidence, not causation: the birthday and the window are real and ephemeris-based; the reading is tradition, offered in good fun.