yakir aharonov, der 1959 mit david bohm den aharonov-bohm-effekt erstmal be­schrie­ben hat wird am ende gefragt:

• I read somewhere that the reason you decided to do the AB effect was that you didn't really think po­ten­ti­als were something that was just a ma­the­ma­ti­cal tool like most sci­en­tists believe.
• That is correct. I was very ignorant, luckily. Sometimes it's good not to know too much.