The company Amersham, also known as Amersham plc, was a global company specializing in life sciences. They were known for their work in medical imaging and pharmaceutical diagnostics. Amersham developed a range of products and technologies for medical research, drug discovery, and diagnostics, including radiopharmaceuticals used in nuclear medicine. They were a leading company in the development of imaging agents for various diagnostic procedures. The company was founded in 1946 and became part of GE Healthcare in 2004.