David Courtney Marr (Scientist) was born on January 19, 1945(age 73) in England under Capricorn zodiac. David Courtney Marr ranking is 120671 ! Please boost for higher rank to be on top of Trending birthdays. Let's discover David Courtney Marr's profile such as: Date of Birth, Birth Place, Current Age, Nationality, Star sign, Parents, Siblings, Family members, Personal life, Childhood, Early life, Awards and Achievements, Known for, Interesting facts. Explore more details about David Courtney Marr on Wikipedia. Read trending tweets about David Courtney Marr on Twitter. Find professional information about David Courtney Marr on Linkedin below.