Hasan al-Rammah
Hasan al-Rammah (died 1295) was a mamluk sultanaten chemist and engineer who studied gunpowders and explosives, and sketched prototype instruments of warfare, including what some have maintained is a torpedo.
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Wikipedia
Hasan al-Rammah (died 1295) was a mamluk sultanaten chemist and engineer who studied gunpowders and explosives, and sketched prototype instruments of warfare, including what some have maintained is a torpedo.