In 1943, Horstmann and Tatlock reported detecting cold agglutinins in the serum of patients with primary atypical pneumonia. Fifty years after Landsteinerâs findings, the term âcold agglutinin diseaseâ was coined by Schubothe.
Mulattoes were the direct offspring of plantation rapes. Slave masters often threat the female slaves if they resist the masterâs desire of having intercourse. If they fought back, the female slaves will be whipped, will be beaten up, or worse of all, will be killed.
a mulatto ex-slave, was the George Washington and Abraham Lincoln combined of Mexico. He freed his country and then freed its slaves. Guerrero was born an Ixtla, Mexico, in 1782 of mixed white and Negro parentage with an Indian strain. His father, Juan Pedro Guerrero, and his mother, Guadelupe Saldena, were both of humble origin, the lowest of the low, degraded by law, custom, and prejudice.