Question: Why is Robert Boyle regarded as the founding father of chemistry?
About the article "Chemistry", section "Chemistry as science".

Candidate passages:
  Robert Boyle 1661 Foundations.
The Sceptical Chymist.
Description: Boyle, in the form of a dialogue, argued that chemical theories should be firmly grounded in experiment before their acceptance, and for the foundation of chemistry as a science separate from medicine and alchemy.
Importance: Topic Creator, Influence.
Boyle, in this book, became the first to argue that experiment should form the basis of all theory, a common practice in chemistry today.
He also expounded on a rudimentary atomic theory and the existence of chemical elements beyond the classic earth, fire, air, and water.
He is seen as the father of chemistry, and this is his most celebrated book, with continued relevance to the present day. 
Robert Boyle, FRS, was an Irish 17th-century natural philosopher, chemist, physicist, and inventor.
Born in Lismore County Waterford, Ireland, he was also noted for his writings in theology.
Although his research clearly has its roots in the alchemical tradition, Boyle is largely regarded today as the first modern chemist, and therefore one of the founders of modern chemistry, and one of the pioneers of modern experimental scientific method.
He is best known for Boyle's law, which describes the inversely proportional relationship between the absolute pressure and volume of a gas, if the temperature is kept constant within a closed system.
Among his works, "The Sceptical Chymist" is seen as a cornerstone book in the field of chemistry. 
 Stephen Boyle Tim Boyle Boyle.
Stephen is the father of Tim. 
By his second wife, Catherine Fenton, daughter of Sir Geoffrey Fenton and his wife Alice Weston, the 1st Earl of Cork had the following issue: Roger Boyle (1 August 1606, Youghal, County Cork, Ireland–10 October 1615, Deptford, Kent, England, where he was buried).
Lady Alice Boyle (1607–1667), married David Barry, 1st Earl of Barrymore, then after his death, married John Barry, of Liscarroll, co Cork, Ireland Lady Sarah Boyle (1609–1633), married Sir Thomas Moore, then after his death married Robert Digby, 1st Baron Digby Lady Lettice Boyle (1610–1657), married Colonel George Goring, Lord Goring Lady Joan Boyle (1611–1657), married George FitzGerald, 16th Earl of Kildare ("the Fairy Earl") Richard Boyle, 2nd Earl of Cork and 1st Earl of Burlington (1612–1698), Lord High Treasurer of Ireland (1660–1695).
Lady Katherine Boyle (1615–1691), married Arthur Jones, 2nd Viscount Ranelagh Hon.
Geoffrey Boyle Lady Dorothy Boyle, married Sir Arthur Loftus of Rathfarnam and was the mother of Adam Loftus, 1st Viscount Lisburne Lewis Boyle, 1st Viscount Boyle of Kinalmeaky (1619–1642), succeeded under special remainder by his older brother Richard Roger Boyle, 1st Earl of Orrery (1621–1679) Francis Boyle, 1st Viscount Shannon Lady Mary Boyle, married Charles Rich, 4th Earl of Warwick Hon.
Robert Boyle (1627–1691), author of "The Sceptical Chymist"; considered to be the father of modern chemistry Lady Margaret Boyle Boyle erected an elaborate monument to himself, his wives, his mother and children in The Collegiate Church of St Mary Youghal, County Cork and there is a similar but much larger Boyle monument in St Patrick's Cathedral, Dublin. 
English chemist Robert Boyle (1627–1691) is considered to have refined the modern scientific method for alchemy and to have separated chemistry further from alchemy.
Although his research clearly has its roots in the alchemical tradition, Boyle is largely regarded today as the first modern chemist, and therefore one of the founders of modern chemistry, and one of the pioneers of modern experimental scientific method.
Although Boyle was not the original discover, he is best known for Boyle's law, which he presented in 1662: the law describes the inversely proportional relationship between the absolute pressure and volume of a gas, if the temperature is kept constant within a closed system.
Boyle is also credited for his landmark publication "The Sceptical Chymist" in 1661, which is seen as a cornerstone book in the field of chemistry.
In the work, Boyle presents his hypothesis that every phenomenon was the result of collisions of particles in motion.
Boyle appealed to chemists to experiment and asserted that experiments denied the limiting of chemical elements to only the classic four: earth, fire, air, and water.
He also pleaded that chemistry should cease to be subservient to medicine or to alchemy, and rise to the status of a science.
Importantly, he advocated a rigorous approach to scientific experiment: he believed all theories must be proved experimentally before being regarded as true.
The work contains some of the earliest modern ideas of atoms, molecules, and chemical reaction, and marks the beginning of the history of modern chemistry.
Boyle also tried to purify chemicals to obtain reproducible reactions.
He was a vocal proponent of the mechanical philosophy proposed by René Descartes to explain and quantify the physical properties and interactions of material substances.
Boyle was an atomist, but favoured the word "corpuscle" over "atoms".
He commented that the finest division of matter where the properties are retained is at the level of corpuscles.
He also performed numerous investigations with an air pump, and noted that the mercury fell as air was pumped out.
He also observed that pumping the air out of a container would extinguish a flame and kill small animals placed inside, and well as causing the level of a barometer to drop.
Boyle helped to lay the foundations for the Chemical Revolution with his mechanical corpuscular philosophy.
Boyle repeated the tree experiment of van Helmont, and was the first to use indicators which changed colors with acidity.