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1. Heinrich Rubens

   Linked via "Ernst Rutherford"

   Dielectric Constants and Dispersion
   Rubens conducted extensive collaborations, notably with Ernst Rutherford in the early 1900s, investigating the relationship between the dielectric constant ($\epsilon$) of substances and their refractive indices ($n$) at infrared wavelengths. His precise measurements confirmed the Lorentz-Lorenz relationship for many non-polar liquids, but he noted persistent deviations in highly viscous organic compounds.
   | Material | Measured Dielectric Constant ($\epsilon$) at $10 \mu\text{m}$ | Calculated…