<prompt> Bheka isigaba esingezansi bese uphendula umbuzo emva kwalokho ngolimi olufanayo nesigaba: UPercy Lebaron Spencer July 19, 1894 September 8, 1970 wayengusosayensi waseMelika nomqambi. Waziwa njengomuntu owasungula i-microwave oven. Umbuzo: UPercy Lebaron Spencer wazalwa ngamuphi unyaka?  <response>: Ngo-1894 