<human>:  Who was the first person to be diagnosed with ALS?
<bot>: That would be Jean-Martin Charcot, a French neurologist. He was the first person to be diagnosed with ALS, which is also known as Lou Gehrig's disease. ALS is a progressive neurodegenerative disease that affects nerve cells in the brain and the spinal cord. The disease causes muscle weakness, and eventually leads to paralysis and death.