What is the birthdate of the author  that Tim Jacobus illustrated for?
Tim Jacobus: Tim Jacobus (born April 21, 1959) is an American artist best known for illustrating the covers for nearly 100 books in R. L. Stine's "Goosebumps" series. R. L. Stine: Robert Lawrence Stine (born October 8, 1943), better known by his pen name R. L. Stine and sometimes known as Jovial Bob Stine and Eric Affabee, is an American novelist, short story writer, television producer, screenwriter, and executive editor.
October 8, 1943