Jewel Plummer Cobb was a professor of biology and zoology, and was president of California State University at Fullerton from 1981-1990.
unsullied. 1  not soiled, untarnished: an unsullied public persona. 2  virginal; pure: He wears a purity ring signifying that he will remain unsullied until marriage.
unmixed mixed, flawed, alloyed, imperfect, adulterated. 2. clean, immaculate, sterile, wholesome, sanitary, spotless, sterilized, squeaky-clean, unblemished, unadulterated, untainted, disinfected, uncontaminated, unpolluted, pasteurized, germ-free Demands for pure and clean river water.