Eugen Strouhal is a physician, anthropologist, and archaeologist, one of the founders of the field of paleopathology. Since 1961 he has collaborated with a number of archaeological expeditions in Egypt. He is the author of sixteen books and 350 articles. Břetislav Vachala is an Egyptologist and archaeologist at Charles University in Prague. Since 1979 he has participated in archaeological expeditions of the Czech Institute of Egyptology to Egypt. Hana Vymazalová studied Egyptology and logic at Charles University in Prague. She is a member of the Czech Institute of Egyptology and since 2006 has participated in archaeological expeditions to Egypt.