Question: Who was the writer of the 1970 American romantic drama for which Ali MacGraw received an Academy Award for Best Actress?  

Tom Cruise is an American actor and producer who made his film debut with a minor role in the 1981 romantic drama "Endless Love".  Two years later he made his breakthrough by starring in the romantic comedy "Risky Business" (1983), which garnered Cruise his first nomination for the Golden Globe Award for Best Actor – Motion Picture Musical or Comedy.  In 1986, Cruise played a fighter pilot in the Tony Scott-directed action drama "Top Gun" (the highest-grossing film that year), and also starred opposite Paul Newman in the Martin Scorsese-directed drama "The Color of Money".  Two years later he played opposite Dustin Hoffman in the Academy Award for Best Picture-winning drama "Rain Man" (1988), and also appeared in the Golden Raspberry Award for Worst Picture-winning romantic drama "Cocktail" (1988).  In doing so Cruise became the first and only person as of 2014 to star in a Best Picture Oscar winner and a Worst Picture Razzie winner in the same year.  His next role was as anti-war activist Ron Kovic in the drama adaptation of Kovic's memoir of the same name, "Born on the Fourth of July" (1989).  For his performance Cruise received the Golden Globe Award for Best Actor – Motion Picture Drama and his first nomination for the Academy Award for Best Actor. <SEP> Catherine Elise Blanchett, {'1': ", '2': ", '3': ", '4': "} ( ; born 14 May 1969) is an Australian actress and theatre director.  She has received international acclaim and many accolades, including two Academy Awards, three Golden Globe Awards, three BAFTA Awards, six AACTA Awards, and three Screen Actors Guild Awards. Blanchett came to international attention for her role as Elizabeth I of England in Shekhar Kapur's 1998 film "Elizabeth", for which she won the BAFTA Award for Best Actress, the Golden Globe Award, and earned her first Academy Award for Best Actress nomination.  Her portrayal of Katharine Hepburn in Martin Scorsese's 2004 film "The Aviator" brought her critical acclaim and many accolades, including the Academy Award for Best Actress in a Supporting Role, making her the only actor to win an Oscar for portraying another Oscar-winning actor.  In 2013, she starred as Jasmine Francis in Woody Allen's "Blue Jasmine", for which she won numerous accolades including the Academy Award for Best Actress. <SEP>  She first gained attention with her role in the 1969 film "Goodbye, Columbus", for which she won the Golden Globe Award for Most Promising Newcomer. Elizabeth Alice "Ali" MacGraw (born April 1, 1939) is an American actress, model, author, and animal rights activist.  She reached international fame in 1970's "Love Story", for which she was nominated for an Academy Award for Best Actress and won the Golden Globe Award for Best Actress in a Motion Picture – Drama.  In 1972, MacGraw was voted the top female box office star in the world and was honored with a hands and footprints ceremony at Grauman's Chinese Theatre after having been in just three films.  She went on to star in the popular action films "The Getaway" (1972) and "Convoy" (1978) as well as the romantic sports drama "Players" (1979), the comedy "Just Tell Me What You Want" (1980), and the historical novel-based television miniseries "The Winds of War" (1983).  In 1991, she published an autobiography, "Moving Pictures". <SEP>  It was produced by Howard G. Minskyand directed by Arthur Hiller and starred Ali MacGraw and Ryan O'Neal, alongside John Marley, Ray Milland, and Tommy Lee Jones in his film debut in a minor role. Love Story is a 1970 American romantic drama film written by Erich Segal, who was also the author of the best-selling novel of the same name.