Korea is also among the top performers worldwide when it comes to research and development (R&D) spending which stands at 4.2 percent of its GDP. This is second only to Israel which spends 4.3 percent of its GDP on R&D. In terms of human capital, South Korea counts 7,113 researchers per million inhabitants. Here are ten Korean scientists from the 2018 Asian Scientist 100 who are spearheading groundbreaking research and innovative culture in their respective fields.