Teachers at Hogwarts

Advanced Arithmancy Studies

 * Unknown

Arithmancy

 * Professor Septima Vector (c. 1991-?, possibly before)

Art

 * Unknown

Astronomy

 * Professor Aurora Sinistra (c. 1991-?, possibly before)

Care of Magical Creatures

 * Professor Silvanus Kettleburn (early 20th century-1992)
 * Professor Rubeus Hagrid (1993-?)
 * Professor Wilhelmina Grubbly-Plank (1995) (temporarily)

Charms

 * Professor Filius Flitwick (c. 1976-?, possibly before)

Defence Against the Dark Arts

 * Professor Galatea Merrythought (c. 1895-1945)
 * Professor Quirinus Quirrell (1991-1992)
 * Professor Gilderoy Lockhart (1992-1993)
 * Professor Remus Lupin (1993-1994)
 * Barty Crouch Jr. (impersonating Professor Alastor Moody) (1994-1995)
 * Professor Dolores Umbridge (1995-1996)

Divination

 * Professor Sybill Trelawney (1980-1995) (1996-?)
 * Professor Firenze (1996-?)

Ghoul Studies

 * Unknown

Herbology

 * Professor Herbert Beery (?-early 20th century)
 * Professor Pomona Sprout (early 20th century-early 21st century)

History of Magic

 * Professor Cuthbert Binns (17th or 18th century-?)

Muggle Art

 * Unknown

Muggle Music

 * Unknown

Muggle Studies

 * Professor Quirinius Quirrell (?-1990)
 * Male Professor (1990-1993)
 * Professor Charity Burbage (1993-1997)

Music

 * Male Professor (c. 1991)

Potions

 * Professor Horace Slughorn(?-1981) (1996-?)
 * Professor Severus Snape (1981-1996)

Study of Ancient Runes

 * Professor Bathsheda Babbling (c. 1991-?, possibly before)

Transfiguration

 * Professor Albus Dumbledore (?-1949)
 * Professor Minerva McGonagall (1949-1998)