Franklin did.
no
1784
He invented bifocal glasses.
bifocal glasses
Lightning rod, Franklin stove, and bifocal glasses.
Samuel Slater was not the one to invent the Slater house
what year did Benjamine invent electricity 1706
Samuel Colt inveted the Revolver.
Samuel Mores did not exactly invent, but came up with the idea and was later named after him for he used a early version for the telegraph which he did invent
chloroform
Pompey lamb invented the first bifocal glasses ever and so that's how he was famous for his work.
Benjamin Franklin is credited with inventing the bifocal lens in the 1780s. He designed the lens to help address his presbyopia, a condition that makes it difficult to focus on close objects as people age.