Alice Pleasance Liddell (/ˈlɪdəl/; 4 May 1852 – 16 November 1934), known for most of her adult life by her married name, Alice Hargreaves, inspired the children's classic Alice's Adventures in Wonderland by Lewis Carroll, whose protagonist Alice is said to be named after her.

Alice Liddell was the fourth child of Henry Liddell, Dean of Christ Church, Oxford, and his wife Lorina Hanna Liddell (née Reeve). She had two older brothers, Harry (born 1847) and Arthur (born 1850, died of scarlet fever in 1853), and an older sister Lorina (born 1849). She also had six younger siblings, including her sister Edith (born 1854) with whom she was very close.

At the time of her birth, Liddell's father was the Headmaster of Westminster School but was soon after appointed to the deanery of Christ Church, Oxford. The Liddell family moved to Oxford in 1856. Soon after this move, she met Charles Lutwidge Dodgson, who encountered the family while he was photographing the cathedral on 25 April 1856. He became a close friend of the Liddell family in subsequent years (see Relationship with Lewis Carroll below).

Stefani Joanne Angelina Germanotta (/ˈstɛfəniː dʒʌrməˈnɑːtə/ STE-fə-nee jurr-mə-NAH-tə; born March 28, 1986), known by her stage name Lady Gaga, is an American singer and songwriter. Born and raised in New York City, she primarily studied at the Convent of the Sacred Heart and briefly attended New York University's Tisch School of the Arts before withdrawing to focus on her musical career. She began performing in the rock music scene of Manhattan's Lower East Side, and was signed with Streamline Records by the end of 2007. During her employment as a songwriter for the record company, her vocal abilities captured the attention of recording artist Akon, who signed her to his label Kon Live Distribution.

Lady Gaga came to prominence as a recording artist following the release of her debut album The Fame (2008), which was a critical and commercial success that topped charts around the world and included the international number-one singles "Just Dance" and "Poker Face". After embarking on the The Fame Ball Tour, she followed the album with The Fame Monster (2009), which spawned the worldwide hit singles "Bad Romance", "Telephone" and "Alejandro". The album's success allowed her to embark on the eighteen-month long Monster Ball Tour, which later became one of the highest-grossing concert tours of all time. Her most recent album Born This Way (2011) topped the charts of most major markets and generated more international chart-topping singles, including "Born This Way", "Judas" and "The Edge of Glory". Besides her musical career, she involves herself with humanitarian causes and LGBT activism.