Who invented the anti-leukemia drugs? Is there a cure now?

Many drugs available. There are several different types of leukemias which can be either Acute or chronic. So you need to understand at least 4 of these different diseases before you can understand which anti-leukemia drug is of interest to you...there are at least 20 different drugs in use to treat different leukemias...some of them can cure leukemia...yes indeed!