František Sehnal was a prominent and inspiring figure in many areas of insect science, most notably endocrinology, developmental biology, silk research, and recently insect interactions with genetically modified crops. In this article, I will briefly overview Sehnal's research and other academic and educational activities. I would also like to share my personal experience with František Sehnal as a mentor who drafted, in 1990, a plan for my doctoral thesis: to identify a receptor for juvenile hormone. The project ended up taking more than two decades to complete. While František has passed away, his legacy stays.
Keywords: František Sehnal; Galleria mellonella; Insect endocrinology; Juvenile hormone; Metamorphosis; Silk.
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