Henry Charles Andrews was a British subject working in the English language during a period when the natural sciences and the arts found frequent common ground in the careful documentation of plant life. The facts of his birth remain uncertain — sources place it somewhere between 1750 and 1770 — but his professional activity is recorded from 1799, situating him within a tradition of meticulous natural observation that flourished across the Kingdom of Great Britain and its successor state, the United Kingdom of Great Britain and Ireland.

Andrews worked across several disciplines that, in his era, were often practiced in close combination. As a painter, botanical illustrator, copper engraver, and botanist, he brought both scientific and artistic attention to the natural world. The craft of copper engraving in particular demanded precision and patience, qualities that aligned well with the demands of botanical illustration, where accuracy of form and detail carried real intellectual weight alongside aesthetic consideration. His work in these overlapping fields was conducted in English and addressed, at least in part, an English-speaking readership and audience.

The record of his active years — 1799 to 1828, as established by the Library of Congress Name Authority File — suggests a career spanning nearly three decades. During this time he moved between the roles of painter, illustrator, engraver, and botanist, each discipline informing the others. The copper engraver's eye for line and the botanist's concern for structural fidelity are not easily separated in the kind of work Andrews pursued, and his citizenship within the British state placed him at the center of a culture with considerable institutional investment in natural history and its illustration.

The precise date of his death, like that of his birth, is recorded with some ambiguity, falling either in 1830 or 1835. What the record does establish is a professional life conducted with consistency across the final decades of a transformative period in British natural history, a life defined by the disciplined intersection of image and observation. Andrews worked as a botanical illustrator and copper engraver until the close of his documented career in 1828.