This 19th century American painter and illustrator, an accomplished artist before her marriage to a famous author, edited and published some of his notebooks after his death and then began working on her own writings.

After the outbreak of World War II, this German-French painter served in the Foreign Legion and later in the Free French; he was gravely wounded at the German Front and one of his legs was amputated.

Answers here~ https://schristywolfe.com/2015/09/21/september-21/