1 Dawn (Lizzy Greene) is the oldest of the quadruplets by four seconds. 2  Although she's always seen bothering her brothers, she does care about them deeply. 3  There is a consistent rivalry for the leader spot of the quads between her and Ricky. 4  Ricky (Casey Simpson) is the second oldest of the Harper quadruplets. Dawn (Lizzy Greene) is the oldest of the quadruplets by four seconds. 2  Although she's always seen bothering her brothers, she does care about them deeply. 3  There is a consistent rivalry for the leader spot of the quads between her and Ricky. 4  Ricky (Casey Simpson) is the second oldest of the Harper quadruplets.
St. Jude Children's Research Hospital is located in Memphis, Tennessee.
About St. Jude. St. Jude Childrenâs Research Hospital is leading the way the world understands, treats and defeats childhood cancer and other life-threatening diseases. Our stories Meet the patients, families, supporters, and staff of St. Jude Childrenâs Research Hospital, and experience the stories that happen here every day. Our history St. Jude grew from a simple promise by the late entertainer Danny Thomas into a world-renowned institution that has changed childhood cancer research.