An Irish Dentist May Have Solved da Vinci's 500-Year-Old Riddle

A London has discovered an embedded mathematical code in human jaw Leonardo da Vinci's Vitruvian Man that could

LONDON, LONDON, UNITED KINGDOM, July 7, 2025 /EINPresswire.com/ -- A London-based dentist may have solved one of art history's greatest mysteries by cracking a 500-year-old riddle hidden within Leonardo da Vinci's iconic Vitruvian Man. Dr. Rory Mac Sweeney has discovered that the Renaissance master embedded precise mathematical principles governing ideal human form within his famous drawing.

Published in the Journal of Mathematics and the Arts, Dr. Mac Sweeney's research reveals that Leonardo's explicit reference to "an equilateral triangle" between the figure's legs corresponds to Bonwill's triangle – a geometric principle governing optimal human jaw function that wasn't formally established until 1864.

"The solution has been hiding in plain sight within Leonardo's own notes," explains Dr. Mac Sweeney. "He wrote that 'the space between the legs will be an equilateral triangle' – and this triangle matches exactly with modern understanding of optimal dental anatomy."

The breakthrough shows that Leonardo's construction yields mathematical ratios of 1.64-1.65, which closely match the tetrahedral ratio of 1.633 found throughout nature for optimal spatial organization. This same ratio appears in human cranial architecture and represents the mathematical foundation for peak structural efficiency.

The discovery suggests that the Vitruvian Man isn't just artistic idealization, but scientific documentation of optimal human anatomical relationships. Modern research confirms that human cranial architecture consistently exhibits ratios of 1.64 ± 0.04 – measurements found exclusively in humans and matching exactly what Leonardo documented five centuries ago.

"This research reveals that Leonardo identified geometric principles of optimal spatial organization that contemporary science recognizes as fundamental to human anatomical optimization," Dr. Mac Sweeney concludes.
The findings could have significant implications for medical fields including dentistry, plastic surgery, and orthopedics.

Contact: Dr. Rory Mac Sweeney
@luciddreamyoga

The paper can be read here
https://doi.org/10.1080/17513472.2025.2507568

Rory Mac Sweeney
igdp
+44 7801 846111
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