Ricardo Lleras Codazzi, Colombian geologist and mineralogist (Bogotá 20 February 1869 – Girardot, Cundinamarca Department 18 January 1940)

Discovered and described viterbite, a mixture of allophane and wavellite

Held an invention patent for mining procedures

Proposed original concepts and conclusions

El puesto del hombre en la naturaleza. Anales Ingen. Bogotá 48(545):200-19, 1940

HONORS

Honored in fossil resin named llerasite

Laureate, Palmes Academiques de France

His brother, Eduardo Lleras Codazzi, chemist and toxicologist (Bogotá 30 January 1885 – Bogotá 28 August 1960)

Modified the method for detecting morphine in dead bodies

Developed a Soxhlet-like extraction device

Invented electric muffle furnaces