Nicholas Sparks was a well known person.
Yeah ,he was an  American romance novelist, screenwriter and producer.
yes and his niche was romance.
He wrote Novels of this type of genre fiction place their primary focus on the relationship and romantic love 
I also like his wife Cathy.
Nicholas Sparks was born on December 31, 1965 in Omaha, Nebraska 
yes! He was the inspiration for A Walk to Remember..
Yeah that was the novel published in 1999, Walk to Remember is a 2002 American coming-of-age romantic drama film 
He was probably influenced by his Roman Catholic faith.
Roman Catholic (term)
Roman Catholic is a term sometimes used to differentiate members of the Catholic Church in full communion with the Pope in Rome from other Christians who also self-identify as "Catholic"; Anglo-Catholics and Independent Catholics. It is also sometimes used to differentiate adherents to the Latin Church and its Roman rite from other Catholics, i.e. adherents of the Eastern Catholic Churches of various other rites. Despite asserted by certain non-Catholic English-speakers, and even occasionally used by a few Catholic officials
Nicholas Sparks
Nicholas Charles Sparks (born December 31, 1965) is an American romance novelist and screenwriter. He has published twenty novels and two non-fiction books. Several of his novels have become international bestsellers, and eleven of his romantic-drama novels have been adapted to film all with multimillion-dollar box office grosses. His novels feature stories of tragic love with happy endings and Christian values.
Sparks was born in Omaha, Nebraska and wrote his first novel, "The Passing", in 1985,