if you are talking about "On the Origin of Species by Means of Natural Selection" then he was fifty years old
Charles Darwin was 50 years old when he published his famous book "On the Origin of Species" in 1859.
He was fifty years old then.
1888
She was 32 when the first book was published.
Sarah Weeks was 15 years old when she published her first book.
The first book was published is 1999 and the last book was published in 2006
Yes, your book can be published at any age.
She was 25 years old
8 years old
She was 25 years old
31 years old.
Jerry Spinelli was in his thirties when his first children's book, "Space Station Seventh Grade," was published.
Brandon Sanderson was 31 years old when the first book was published.
I have a copy of this book that was published in 1913, so that would make the book 100 years old this year.
Terry Pratchett's first book, "The Carpet People," was published in 1971 when he was just 23 years old.