Irwin

‘The Reality of the Situation’: There was no hot water supply on board Apollo Lunar module so all meals on the lunar surface were served cold. Astronauts Scott and Irwin all asked for more food to be brought as walking on the Moon required huge reserves of energy and stamina

James Irwin was the first moonwalking astronauts to die when he suffered a heart attack at age 61 in 1991. He always believed that his heart disorder was related with his flight to the moon. NASA didn't substantiate Irwin's claim because he was the only astronaut to develop the problem