Charles was granted a patent on the waterproof fabric in 1823. The Mackintosh raincoat is named for him, even though it is spelled with a “k.” 2. He accomplished a lot at a young age.

The mac is now, the pun very much intended, an umbrella term for any raincoat. Many developments were added to the product, including the letter k to the company, which is known as Mackintosh.

Charles Macintosh, the name which we surround with the modern day ‘raincoat’ was born exactly 250 years back in December 29,1766. Who could have thought that the raincoat that we wear today as ...