On 24-26 May 2018 year in Reykjavik, Iceland was held ORPHEUS conference on Creativity, Feedback and Diversity in Doctoral Studies. How will PhD candidates and their supervisors meet ever-increasing challenges of modern science with its competitiveness, complex technologies, massive databases and sophisticated mathematical analysis beyond human brainpower? Such challenges will call for innovative and creative thinking, flexibility and diversity in approach as well as intelligent support and feedback.