Early Life and Professional Training Joseph Théodore Coosemans was born on 19 March 1828 in the Brussels metropolitan area. His early years were defined by significant loss, which shaped a childhood far from the stability of a traditional upbringing. His father, Adriaan, a merchant, died when Joseph was only a year old. His mother, Anna, followed him into death just one year later. These early tragedies left him in the care of an aunt…