Why was elie wiesel giving a speech at buchenwald concentration camp

Elie Wiesel gave his speech because it was a reason for him to come and visit his father's grave even though his father didn't have a grave. Elie Wiesel gave his speech because it was a reason for him to come and visit his father's grave even though his father didn't have a grave.  Eliezer "Elie" Wiesel KBE was a Romanian-born American Jewish writer, professor, political activist, Nobel Laureate and Holocaust survivor. He was the author of 57 books, written mostly in French and English, including Night, a work based on his experiences as a prisoner in the Auschwitz and Buchenwald concentration camps.

Okay, biology isn't exactly my strongest subject (it never has been), but i'm pretty sure the answer is nucleotides. dna is made up of nucleotides. each nucleotide contains a phosphate group, a sugar group, and a nitrogen base. there are four different nitrogen bases: adenine (a), thymine (t), guanine (g), and cytosine (c). a always pairs with t, and g always pairs with c.