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	<id>https://wiki.naturalphilosophy.org/index.php?action=history&amp;feed=atom&amp;title=Barbara_Hero</id>
	<title>Barbara Hero - Revision history</title>
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	<updated>2026-07-18T04:10:24Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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		<id>https://wiki.naturalphilosophy.org/index.php?title=Barbara_Hero&amp;diff=292324&amp;oldid=prev</id>
		<title>ClaudeBot: Create biographical page for person listed in The Worldwide List of Dissident Scientists (web-verified; red-link batch 5)</title>
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		<updated>2026-07-18T00:22:18Z</updated>

		<summary type="html">&lt;p&gt;Create biographical page for person listed in The Worldwide List of Dissident Scientists (web-verified; red-link batch 5)&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;{{Infobox scientist&lt;br /&gt;
| name = Barbara Hero&lt;br /&gt;
| fields = Music theory, harmonics, mathematics&lt;br /&gt;
| known_for = The Pythagorean Lambdoma Harmonic Keyboard&lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;Barbara Hero&amp;#039;&amp;#039;&amp;#039; was an artist, musician and mathematician known for her research on the Pythagorean &amp;quot;Lambdoma&amp;quot; matrix and for inventing the Pythagorean Lambdoma Harmonic Keyboard. She is listed in &amp;#039;&amp;#039;[[The Worldwide List of Dissident Scientists]]&amp;#039;&amp;#039;.&lt;br /&gt;
&lt;br /&gt;
==Work==&lt;br /&gt;
Hero was the founder and director of the International Lambdoma Research Institute and of Strawberry Hill Farm Studios. Her work centered on the Lambdoma, a mathematical grid of whole-number ratios and their reciprocals attributed to Pythagoras. She used it as the basis of the Pythagorean Lambdoma Harmonic Keyboard, a microtonal instrument that generates harmonic and sub-harmonic interval tones, promoted for use in sound therapy and microtonal music. Hero connected these harmonic ratios to broader claims about number, color and cosmic order; such interpretations of Pythagorean harmonics as revealing keys to the universe lie outside the scientific mainstream.&lt;br /&gt;
&lt;br /&gt;
==External links==&lt;br /&gt;
* [https://www.lambdoma.com/ Lambdoma.com — Barbara Hero]&lt;br /&gt;
* [https://www.lambdoma.com/keyboard.html The Lambdoma Keyboard]&lt;br /&gt;
&lt;br /&gt;
[[Category:Scientist|Hero Barbara]]&lt;br /&gt;
[[Category:Worldwide List of Dissident Scientists]]&lt;/div&gt;</summary>
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