Dr. Raja Solomon Viswas was born in Aruppukottai, India. He received his bachelor’s degree in Pharmacy from the S. B. College of Pharmacy, the Tamilnadu Dr. M. G. R. Medical University, Chennai, India, and master’s degree in Pharmacy with specialization of Medicinal & Pharmaceutical chemistry from the S. G. S. Institute of Technology, the Rajiv Gandhi Technical University, Bhopal, India, under the direction of Prof. S. C. Chaturvedi. He completed his Ph.D. in the field of Medicinal Chemistry at the CSIR-Central Drug Research Institute (CDRI), Lucknow, India, under the guidance of Prof. S. B. Katti and then moved to Advanced Medical Research Institute of Canada/Health Science North, as an Ontario Government of Ministry of Research innovation postdoctoral fellow in the Prof. Hoyun Lee research group. He is presently working as a Research Scientist at the Dept of Medical Imaging at the University of Saskatchewan, Saskatoon with Prof. Humphrey Fonge. His research interests include (i) development of novel immune-SPECT/PET agents for cancer; (ii) development of novel targeted alpha therapy (TAT) agents for colorectal and breast cancer treatment (iii) design, synthesis, and biological evaluation of hybrid molecules for cancer drug discovery; and (iv) development of new synthetic methodologies for application in organic and bifunctional chelators synthesis.