Who were Roger Bannister's pacemakers when he ran te for minute mile?

Analysis of a granite pebble would probably show that the pebble consists mostly of the what? What are the differences between a belt drive and a chain drive in terms of efficiency and durability? When Golf ball goes in cup and bounces out what is that called? What are the benefits of joining a specialized sector elite double organization? Name something you would hate to hit while playing golf? Which sport is associated with the American Cup? How to tighten spokes on a bicycle to ensure proper wheel alignment and stability? What is pga secc? What are some of the advantages of riding a bike in the community? How a World War 2 pedal bike looks? Where was table tennis first played in the Olympics? How do the recycling codes and symbols differ from state to state? What are the key features and specifications of a 1x12 mountain bike? What are the benefits of maintaining proper posture on a bike and how can it improve my cycling experience? What surface is the 100 meter sprint played on? What are the advantages of a bike with a 7-speed gear system compared to bikes with fewer gears? What are the advantages of using a carbon gravel bike over other materials for off-road cycling? What are the key features and benefits of the Shimano rear wheel for cycling enthusiasts? What activities or purposes is a mountain bike good for? What are the benefits of using a bike air fork for improved performance and comfort while cycling?