author
An early physical-culture writer with a knack for clear instruction, he is remembered for practical guides that brought tumbling and gymnastics within reach of everyday readers. His surviving work has the brisk, hands-on feel of someone teaching from experience rather than theory alone.

by Henry Walter Worth
Henry Walter Worth is a little-documented early 20th-century author best known for Ground Tumbling, a manual on acrobatics and exercise. Library of Congress records identify him as the author of Ground Tumbling and as a contributor to Tumbling for Amateurs, published by American Sports Publishing Company.
Modern library and ebook records suggest that Ground Tumbling remained his main known published work, and it continues to circulate through projects such as Project Gutenberg and The Online Books Page. The book’s focus on instruction, practice, and physical training places him squarely in the era of popular athletic handbooks, when publishers like Spalding helped spread practical sports education to a wide audience.
Because reliable biographical information about his life is scarce in major reference sources, not much more can be said with confidence. What does come through clearly is his role in preserving a straightforward, encouraging approach to tumbling that still gives modern readers a glimpse of early American fitness culture.