Complex sentence: London worked with his brother Fritz London on superconductivity, discovering the London equations when working at the University of Oxford, in the Clarendon Laboratory; these equations gave a first explanation to the Meissner effect (and, so, to the properties of superconductors).
Split into simpler sentences: London worked with his brother Fritz London on superconductivity, discovering the London equations when working at the University of Oxford, in the Clarendon Laboratory. These equations gave a first explanation to the Meissner effect (and, so, to the properties of superconductors).