People United Kingdom Robert Strutt, 4th Baron Rayleigh peoplepill id: robert-strutt-4th-baron-rayleighRS4BR 2 views today 7 views this weekBritish physicistRobert Strutt, 4th Baron RayleighBiographyGallery (1)Bibliography (8)ListsAlso ViewedFrom our partnersSponsoredRobert Strutt, 4th Baron Rayleigh