Complex sentence: He died of melanoma at the age of forty-two; out of respect to his memory Pixar dedicated "Finding Nemo" to him and named the protagonist of "Cars", Lightning McQueen, after him.
Split into simpler sentences: He died of melanoma at the age of forty-two. Out of respect to his memory Pixar dedicated "Finding Nemo" to him and named the protagonist of "Cars", Lightning McQueen, after him.