P.S. Vijayakumar is a Scientist at the Institute of Nano Science and Technology (INST) in Punjab, India, has research interests in nanoscience and technology, and has postdoctoral research experience in nanoscience at reputed labs in India and Taiwan. He was a visiting scientist at the National Institute for Occupational Safety and Health in the United States and has several patents and awards, including Elsevier’s Outstanding Reviewer Award, and was a finalist in the Swiss Young Researcher Idea Competition. He is known for his contribution to the development of targeted agricultural inputs with nanotechnology.