The "replacement" son who believed he was an only child. He is devastated to learn he is one of twenty-one copies.
: A high-quality PDF guide that focuses on the play’s moral implications of genetic engineering and the "nature vs. nurture" debate. Core Elements of the Play Figuring humanity in Caryl Churchill's A Number - HAL A Number Caryl Churchill Pdf
The original son, now a volatile man haunted by his father’s abandonment and the knowledge of his "replacement". The "replacement" son who believed he was an only child
However, the "scientific experiment" spirals out of control. B2 discovers he is not an original, but one of "a number"—specifically one of twenty-one clones created from the same genetic material. The play unfolds through a series of tense confrontations as Salter is forced to face the original son he abandoned and the various clones he helped create. nurture" debate
They said it was the same as a twin, just different time. BERNARD 2: A twin’s a brother. SALTER: They said it was like a twin. BERNARD 2: But I’m not a twin. I’m him. You had him and you had me. Except that he’s me.