Dr. Nitin Tanna ne n'abusua tu kɔɔ Lancaster wɔ afe 1972 mu. Ɛde kɔsii afe a ɛtɔ so nson awiei no, na wanya abasobɔde a ɛtɔ so mmienu wɔ Lancaster County Nyansahu Nhyiam no mu, na na ɔwɔ anigye kɛse wɔ nyansahu mu nhwehwɛmu ho. Ɔhwɛ kwan sɛ ɔbɛsan aba nhyiam no ase bosome yi sɛ ɔtemmufoɔ.