Eric Walker added 2019-10 Efficient inter-species conjugative transfer of a CRISPR nuclease for targeted bacterial killing, 2020-02 CRISPR-engineered T cells in patients with refractory cancer and 2019-12 A bacterial gene-drive system efficiently edits and inactivates a high copy number antibiotic resistance locus and a number of links to Crispr-Cas9, and added Crispr-Cas9 to CRISPR-Cas