In 1889, at age 44, he suffered a collapse and a complete loss of his mental faculties that was later ascribed to atypical general paresis due to tertiary syphilis, though this diagnosis has come into question.
He suffered a collapse. This was at age 44. This was in 1889. He suffered a complete loss of his mental faculties. This was at age 44. This was in 1889. This complete loss of his mental faculties was later ascribed to atypical general paresis due to tertiary syphilis. This diagnosis has come into question.