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Founded by Stephen Tyng Mather.1
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Thorkildsen-Mather Borax Company was a borax mining company founded in 1898 by Stephen Mather and Thomas Thorkildsen. The two men were both employees of Francis Marion "Borax" Smith's Pacific Coast Borax Company, but they left the company to form this new company and went into direct competition with their former boss.2 It was founded by Stephen Tyng Mather.1 Wikipedia text CC BY-SA 4.0
Last updated Oct 21, 2026.
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Thorkildsen-Mather Borax Company was a borax mining company founded in 1898 by Stephen Mather and Thomas Thorkildsen. The two men were both employees of Francis Marion "Borax" Smith's Pacific Coast Borax Company, but they left the company to form this new company and went into direct competition with their former boss.2
Founded by Stephen Tyng Mather.1
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