Humans (and indeed some chimpanzees) have used special plants to treat ailments since ancient times and therefore nobody knows who was the first person to do this.
William Across was the first person to invent pantomime
i did!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!i did!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!i did!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
who was the first person to invent the internal combustion engine
The first person was human.
At first it was invented for medicine.
The first person to invent the first mobile cellular telephone was Martin Cooper.
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Mr.Rontgen
Jehoshaphat
Sony
The first person to invent the 34th lightbulb was Cameron Hillman. He livez in Save/Cancel, Utah.