O’Neil invented the Log-Structured Merge Tree (LSM Tree) along with Dieter Gawlick and Edward Cheng in 1991 while spending the summer at Gawlick's database research group at Digital Equipment Corporation in California.
Neil Patrick Harris (born June 15, 1973) is an American actor, singer, writer, producer, and television host. Primarily known for his comedic television roles and dramatic and musical stage roles, he has received multiple accolades…