This is accompanied by the construction of new facilities, funded in part by the "Carolina First" fundraising campaign and an endowment that increased fourfold to more than $2 billion within ten years.[46][47] Professor Oliver Smithies was awarded the Nobel Prize in Medicine in 2007 for his work in genetics.[48] Additionally, Professor Aziz Sancar was awarded the Nobel Prize in Chemistry in 2015 for his work in understanding the molecular repair mechanisms of DNA.[49]