The article highlights the remarkable contribution of engineer Tom Bacon towards the success of the Apollo missions and the historic moon landing in 1969. Bacon, a Cambridge engineer, developed the first practical working hydrogen-oxygen fuel cell, which played a crucial role in providing electricity to the missions. Notable figures like American President Richard Nixon acknowledged Bacon's contribution, attributing the moon landing success partly to his work. Bacon's fuel cell invention was revolutionary for its time, offering a lightweight, efficient, and environmentally friendly power source for NASA spacecraft. The article emphasizes how Bacon's device utilized hydrogen and oxygen, with the only byproduct being water, which was used by astronauts. This sustainable approach to power generation showcased Bacon's foresight and innovation. The article also discusses Bacon's life and achievements, including his academic background at Trinity College, Cambridge, and his partnership with Marshall to further develop the fuel cell technology. Colleagues and experts praised Bacon's dedication, perseverance, and exceptional engineering skills, noting his role as a pioneering figure in the field of energy and space exploration. The recognition of Bacon with a blue plaque by the Cambridge Past, Present & Future charity signifies the enduring impact of his work on engineering and highlights his inspirational legacy for future generations. Overall, the article portrays a positive sentiment towards Bacon's contributions, emphasizing his instrumental role in advancing power technology for space missions and his lasting influence on the engineering community.