Talk:Heinrich Bertsch

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Inventor of world's first fully synthetic detergent?

Some sources say that the inventor of synthetic detergent was Fritz Gunther in 1916 before the invention by Heinrich Bertsch. What does it mean to say that he is considered the inventor of "world's first fully synthetic detergent"? Hzh (talk) 13:13, 7 September 2021 (UTC)[reply]