Kelson Haldane is a fictional character from the popular video game series Half-Life. He is known for his role as a scientist and researcher, contributing to the development of advanced technologies and experiments within the game's universe. His character is often associated with themes of scientific ethics and the consequences of unchecked experimentation. In the Half-Life series, Haldane's work is intertwined with the larger narrative involving the Combine, an alien empire that exploits Earth. His character represents the moral dilemmas faced by scientists in pursuit of knowledge, highlighting the potential dangers of their discoveries.