We warmly welcome Paulo Teodoro de Matos at the Chair of Digital Humanities. He is Principal Investigator of the international research enterprise "Counting Colonial Populations. Demography and the use of statistics in the Portuguese Empire, 1776-1875" at the Universidade Nova de Lisboa. Dr. de Matos research activities encompass Historical Demography, Colonial Populations and History of the Portuguese Expansion. During his visit, Dr. de Matos is kindly offering a course "European colonial populations. Portugal, Spain, England, and Germany in a comparative perspective" to our students.