He didn't.
Thomas Edison died on October 18, 1931 at the age of 84.
Edison did not 'invent' electricity, nor did he discover it
Thomas EDison had no illness, he just died of old age.
no one assassinated Thomas Edison, he died of old age.
Thomas Edison was 14 years old when he started inventing
Thomas Edison died from old age(natural causes) he died in west orange, new jersey at the age of 84
Thomas Edison started school in 1854 at the age of 7.
Thomas Alva Edison died on October 18, 1931 at the age of 84.
Thomas Edison dropped out of school at the age of 12. He was homeschooled by his mother after that.
Thomas Alva Edison died on October 18, 1931 at the age of 84.
Thomas Edison built his first lab at age 10 ten.
He died in 1896 at the age of 92. He was the father of Thomas Edison.