A graduate of the Friedrich-Alexander University of Erlangen, Germany, Thomas Liehr became head of the Molecular Cytogenetic group at the Institute of Human Genetics in Jena in 1998. He is a molecular cytogeneticist with a research interest and more than 800 publications on inherited and acquired marker and derivative chromosomes, karyotype evolution, epigenetics including uniparental disomy, interphase architecture, heterochromatin, and probe set developments. In addition to being in the Editorial Board of the Journal of Histochemistry and Cytochemistry, Dr. Liehr is on the Editorial Board of 16 other journals including the European Journal of Medical Genetics (EJMG) and Oncology Letters. Also, he is the Editor of the online journal Molecular Cytogenetics and has edited seven special issues for different journals. He is a past recipient of the Research Award for Young Scientists of the Friedrich-Schiller University, Jena, invited professor and honorary doctor at Yerevan State University, Armenia, and invited professor at Belgrade Medical School, Serbia. Also, he received the Golden Medal of the Yerevan State University in 2014, Golden Medal of the Research Center for Medical Genetics in 2019, and Medal in memory of Prof. Yuri Yurov in 2019 (see also http://cs-tl.de/TL.html).