More and more classrooms are adding the Henrietta Lacks story to the curriculum. This infographic poster illustrates the historical timeline of Henrietta Lacks' immortal cells (HeLa cell line). Research using the HeLa cell line has resulted in drugs against influenza, leukemia, herpes, Parkinson's disease and more. The timeline can be used in the classroom by viewing it online, downloading it as a PDF, or printing it in large and small sizes.